diff --git a/src/ptbench/data/montgomery/default.json b/src/ptbench/data/montgomery/default.json
new file mode 100644
index 0000000000000000000000000000000000000000..780942613238f67e107d996b6341f92f9ed461de
--- /dev/null
+++ b/src/ptbench/data/montgomery/default.json
@@ -0,0 +1,146 @@
+{
+ "train": [
+ ["CXR_png/MCUCXR_0023_0.png", 0],
+ ["CXR_png/MCUCXR_0052_0.png", 0],
+ ["CXR_png/MCUCXR_0017_0.png", 0],
+ ["CXR_png/MCUCXR_0092_0.png", 0],
+ ["CXR_png/MCUCXR_0028_0.png", 0],
+ ["CXR_png/MCUCXR_0090_0.png", 0],
+ ["CXR_png/MCUCXR_0015_0.png", 0],
+ ["CXR_png/MCUCXR_0074_0.png", 0],
+ ["CXR_png/MCUCXR_0031_0.png", 0],
+ ["CXR_png/MCUCXR_0089_0.png", 0],
+ ["CXR_png/MCUCXR_0072_0.png", 0],
+ ["CXR_png/MCUCXR_0057_0.png", 0],
+ ["CXR_png/MCUCXR_0085_0.png", 0],
+ ["CXR_png/MCUCXR_0019_0.png", 0],
+ ["CXR_png/MCUCXR_0024_0.png", 0],
+ ["CXR_png/MCUCXR_0061_0.png", 0],
+ ["CXR_png/MCUCXR_0026_0.png", 0],
+ ["CXR_png/MCUCXR_0063_0.png", 0],
+ ["CXR_png/MCUCXR_0087_0.png", 0],
+ ["CXR_png/MCUCXR_0002_0.png", 0],
+ ["CXR_png/MCUCXR_0047_0.png", 0],
+ ["CXR_png/MCUCXR_0045_0.png", 0],
+ ["CXR_png/MCUCXR_0083_0.png", 0],
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+ ["CXR_png/MCUCXR_0071_0.png", 0],
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+ ["CXR_png/MCUCXR_0091_0.png", 0],
+ ["CXR_png/MCUCXR_0048_0.png", 0],
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+ ["CXR_png/MCUCXR_0013_0.png", 0],
+ ["CXR_png/MCUCXR_0075_0.png", 0],
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+ ["CXR_png/MCUCXR_0369_1.png", 1],
+ ["CXR_png/MCUCXR_0126_1.png", 1],
+ ["CXR_png/MCUCXR_0383_1.png", 1],
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+ ["CXR_png/MCUCXR_0213_1.png", 1],
+ ["CXR_png/MCUCXR_0294_1.png", 1],
+ ["CXR_png/MCUCXR_0331_1.png", 1],
+ ["CXR_png/MCUCXR_0282_1.png", 1],
+ ["CXR_png/MCUCXR_0162_1.png", 1],
+ ["CXR_png/MCUCXR_0203_1.png", 1],
+ ["CXR_png/MCUCXR_0228_1.png", 1],
+ ["CXR_png/MCUCXR_0289_1.png", 1],
+ ["CXR_png/MCUCXR_0354_1.png", 1],
+ ["CXR_png/MCUCXR_0367_1.png", 1],
+ ["CXR_png/MCUCXR_0266_1.png", 1],
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+ ["CXR_png/MCUCXR_0166_1.png", 1],
+ ["CXR_png/MCUCXR_0375_1.png", 1],
+ ["CXR_png/MCUCXR_0194_1.png", 1],
+ ["CXR_png/MCUCXR_0108_1.png", 1],
+ ["CXR_png/MCUCXR_0182_1.png", 1],
+ ["CXR_png/MCUCXR_0255_1.png", 1],
+ ["CXR_png/MCUCXR_0170_1.png", 1],
+ ["CXR_png/MCUCXR_0348_1.png", 1],
+ ["CXR_png/MCUCXR_0113_1.png", 1]
+ ],
+ "validation": [
+ ["CXR_png/MCUCXR_0086_0.png", 0],
+ ["CXR_png/MCUCXR_0079_0.png", 0],
+ ["CXR_png/MCUCXR_0043_0.png", 0],
+ ["CXR_png/MCUCXR_0084_0.png", 0],
+ ["CXR_png/MCUCXR_0044_0.png", 0],
+ ["CXR_png/MCUCXR_0001_0.png", 0],
+ ["CXR_png/MCUCXR_0060_0.png", 0],
+ ["CXR_png/MCUCXR_0099_0.png", 0],
+ ["CXR_png/MCUCXR_0064_0.png", 0],
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+ ["CXR_png/MCUCXR_0101_0.png", 0],
+ ["CXR_png/MCUCXR_0080_0.png", 0],
+ ["CXR_png/MCUCXR_0399_1.png", 1],
+ ["CXR_png/MCUCXR_0142_1.png", 1],
+ ["CXR_png/MCUCXR_0196_1.png", 1],
+ ["CXR_png/MCUCXR_0316_1.png", 1],
+ ["CXR_png/MCUCXR_0393_1.png", 1],
+ ["CXR_png/MCUCXR_0243_1.png", 1],
+ ["CXR_png/MCUCXR_0117_1.png", 1],
+ ["CXR_png/MCUCXR_0141_1.png", 1],
+ ["CXR_png/MCUCXR_0253_1.png", 1]
+ ],
+ "test": [
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+ ["CXR_png/MCUCXR_0040_0.png", 0],
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+ ["CXR_png/MCUCXR_0058_0.png", 0],
+ ["CXR_png/MCUCXR_0020_0.png", 0],
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+ ["CXR_png/MCUCXR_0041_0.png", 0],
+ ["CXR_png/MCUCXR_0081_0.png", 0],
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+ ["CXR_png/MCUCXR_0264_1.png", 1],
+ ["CXR_png/MCUCXR_0334_1.png", 1],
+ ["CXR_png/MCUCXR_0309_1.png", 1],
+ ["CXR_png/MCUCXR_0301_1.png", 1],
+ ["CXR_png/MCUCXR_0251_1.png", 1],
+ ["CXR_png/MCUCXR_0258_1.png", 1],
+ ["CXR_png/MCUCXR_0150_1.png", 1],
+ ["CXR_png/MCUCXR_0275_1.png", 1],
+ ["CXR_png/MCUCXR_0218_1.png", 1],
+ ["CXR_png/MCUCXR_0338_1.png", 1],
+ ["CXR_png/MCUCXR_0140_1.png", 1]
+ ]
+}
diff --git a/src/ptbench/data/montgomery/default.json.bz2 b/src/ptbench/data/montgomery/default.json.bz2
deleted file mode 100644
index 8a05cfa393eb8b34bc813f37413a5d461f7bab4a..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/montgomery/default.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/montgomery/fold_0.json b/src/ptbench/data/montgomery/fold_0.json
new file mode 100644
index 0000000000000000000000000000000000000000..f92905f5f966e23aab4b72a1567d1aa9642268e0
--- /dev/null
+++ b/src/ptbench/data/montgomery/fold_0.json
@@ -0,0 +1,146 @@
+{
+ "train": [
+ ["CXR_png/MCUCXR_0203_1.png", 1],
+ ["CXR_png/MCUCXR_0083_0.png", 0],
+ ["CXR_png/MCUCXR_0054_0.png", 0],
+ ["CXR_png/MCUCXR_0038_0.png", 0],
+ ["CXR_png/MCUCXR_0367_1.png", 1],
+ ["CXR_png/MCUCXR_0029_0.png", 0],
+ ["CXR_png/MCUCXR_0068_0.png", 0],
+ ["CXR_png/MCUCXR_0218_1.png", 1],
+ ["CXR_png/MCUCXR_0008_0.png", 0],
+ ["CXR_png/MCUCXR_0069_0.png", 0],
+ ["CXR_png/MCUCXR_0011_0.png", 0],
+ ["CXR_png/MCUCXR_0194_1.png", 1],
+ ["CXR_png/MCUCXR_0079_0.png", 0],
+ ["CXR_png/MCUCXR_0142_1.png", 1],
+ ["CXR_png/MCUCXR_0362_1.png", 1],
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+ ["CXR_png/MCUCXR_0254_1.png", 1],
+ ["CXR_png/MCUCXR_0173_1.png", 1],
+ ["CXR_png/MCUCXR_0072_0.png", 0],
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+ ["CXR_png/MCUCXR_0354_1.png", 1],
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+ ["CXR_png/MCUCXR_0092_0.png", 0],
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+ ["CXR_png/MCUCXR_0104_1.png", 1],
+ ["CXR_png/MCUCXR_0099_0.png", 0],
+ ["CXR_png/MCUCXR_0045_0.png", 0],
+ ["CXR_png/MCUCXR_0030_0.png", 0],
+ ["CXR_png/MCUCXR_0117_1.png", 1],
+ ["CXR_png/MCUCXR_0228_1.png", 1],
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+ ["CXR_png/MCUCXR_0095_0.png", 0],
+ ["CXR_png/MCUCXR_0043_0.png", 0],
+ ["CXR_png/MCUCXR_0372_1.png", 1],
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+ ["CXR_png/MCUCXR_0103_0.png", 0],
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+ ["CXR_png/MCUCXR_0170_1.png", 1],
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+ ["CXR_png/MCUCXR_0075_0.png", 0],
+ ["CXR_png/MCUCXR_0255_1.png", 1],
+ ["CXR_png/MCUCXR_0162_1.png", 1],
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+ ["CXR_png/MCUCXR_0390_1.png", 1],
+ ["CXR_png/MCUCXR_0058_0.png", 0],
+ ["CXR_png/MCUCXR_0141_1.png", 1],
+ ["CXR_png/MCUCXR_0080_0.png", 0],
+ ["CXR_png/MCUCXR_0101_0.png", 0],
+ ["CXR_png/MCUCXR_0059_0.png", 0],
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+ ["CXR_png/MCUCXR_0017_0.png", 0],
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+ ["CXR_png/MCUCXR_0338_1.png", 1],
+ ["CXR_png/MCUCXR_0369_1.png", 1],
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+ ["CXR_png/MCUCXR_0091_0.png", 0],
+ ["CXR_png/MCUCXR_0063_0.png", 0],
+ ["CXR_png/MCUCXR_0195_1.png", 1],
+ ["CXR_png/MCUCXR_0213_1.png", 1],
+ ["CXR_png/MCUCXR_0041_0.png", 0],
+ ["CXR_png/MCUCXR_0166_1.png", 1]
+ ],
+ "validation": [
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+ ["CXR_png/MCUCXR_0042_0.png", 0],
+ ["CXR_png/MCUCXR_0097_0.png", 0],
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+ ["CXR_png/MCUCXR_0085_0.png", 0],
+ ["CXR_png/MCUCXR_0348_1.png", 1]
+ ],
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+ ["CXR_png/MCUCXR_0086_0.png", 0],
+ ["CXR_png/MCUCXR_0027_0.png", 0],
+ ["CXR_png/MCUCXR_0020_0.png", 0],
+ ["CXR_png/MCUCXR_0266_1.png", 1],
+ ["CXR_png/MCUCXR_0375_1.png", 1],
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+ ["CXR_png/MCUCXR_0393_1.png", 1],
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+ ["CXR_png/MCUCXR_0051_0.png", 0],
+ ["CXR_png/MCUCXR_0294_1.png", 1],
+ ["CXR_png/MCUCXR_0057_0.png", 0]
+ ]
+}
diff --git a/src/ptbench/data/montgomery/fold_0.json.bz2 b/src/ptbench/data/montgomery/fold_0.json.bz2
deleted file mode 100644
index 828e8201c5b8312a6e63f245ae4286b7f9ccf8c3..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/montgomery/fold_0.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/montgomery/fold_1.json b/src/ptbench/data/montgomery/fold_1.json
new file mode 100644
index 0000000000000000000000000000000000000000..a2bc2f0b9109666e3281b8dd6615262e7cd783bc
--- /dev/null
+++ b/src/ptbench/data/montgomery/fold_1.json
@@ -0,0 +1,146 @@
+{
+ "train": [
+ ["CXR_png/MCUCXR_0162_1.png", 1],
+ ["CXR_png/MCUCXR_0117_1.png", 1],
+ ["CXR_png/MCUCXR_0194_1.png", 1],
+ ["CXR_png/MCUCXR_0311_1.png", 1],
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+ ["CXR_png/MCUCXR_0069_0.png", 0],
+ ["CXR_png/MCUCXR_0090_0.png", 0],
+ ["CXR_png/MCUCXR_0188_1.png", 1],
+ ["CXR_png/MCUCXR_0035_0.png", 0],
+ ["CXR_png/MCUCXR_0266_1.png", 1],
+ ["CXR_png/MCUCXR_0023_0.png", 0],
+ ["CXR_png/MCUCXR_0334_1.png", 1],
+ ["CXR_png/MCUCXR_0094_0.png", 0],
+ ["CXR_png/MCUCXR_0228_1.png", 1],
+ ["CXR_png/MCUCXR_0055_0.png", 0],
+ ["CXR_png/MCUCXR_0352_1.png", 1],
+ ["CXR_png/MCUCXR_0338_1.png", 1],
+ ["CXR_png/MCUCXR_0254_1.png", 1],
+ ["CXR_png/MCUCXR_0282_1.png", 1],
+ ["CXR_png/MCUCXR_0031_0.png", 0],
+ ["CXR_png/MCUCXR_0017_0.png", 0],
+ ["CXR_png/MCUCXR_0367_1.png", 1],
+ ["CXR_png/MCUCXR_0043_0.png", 0],
+ ["CXR_png/MCUCXR_0054_0.png", 0],
+ ["CXR_png/MCUCXR_0223_1.png", 1],
+ ["CXR_png/MCUCXR_0195_1.png", 1],
+ ["CXR_png/MCUCXR_0020_0.png", 0],
+ ["CXR_png/MCUCXR_0375_1.png", 1],
+ ["CXR_png/MCUCXR_0313_1.png", 1],
+ ["CXR_png/MCUCXR_0108_1.png", 1],
+ ["CXR_png/MCUCXR_0275_1.png", 1],
+ ["CXR_png/MCUCXR_0142_1.png", 1],
+ ["CXR_png/MCUCXR_0046_0.png", 0],
+ ["CXR_png/MCUCXR_0369_1.png", 1],
+ ["CXR_png/MCUCXR_0393_1.png", 1],
+ ["CXR_png/MCUCXR_0085_0.png", 0],
+ ["CXR_png/MCUCXR_0089_0.png", 0],
+ ["CXR_png/MCUCXR_0087_0.png", 0],
+ ["CXR_png/MCUCXR_0064_0.png", 0],
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+ ["CXR_png/MCUCXR_0077_0.png", 0],
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+ ["CXR_png/MCUCXR_0059_0.png", 0],
+ ["CXR_png/MCUCXR_0203_1.png", 1],
+ ["CXR_png/MCUCXR_0084_0.png", 0],
+ ["CXR_png/MCUCXR_0141_1.png", 1],
+ ["CXR_png/MCUCXR_0390_1.png", 1],
+ ["CXR_png/MCUCXR_0166_1.png", 1],
+ ["CXR_png/MCUCXR_0068_0.png", 0],
+ ["CXR_png/MCUCXR_0060_0.png", 0],
+ ["CXR_png/MCUCXR_0057_0.png", 0],
+ ["CXR_png/MCUCXR_0294_1.png", 1],
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+}
diff --git a/src/ptbench/data/montgomery/fold_1.json.bz2 b/src/ptbench/data/montgomery/fold_1.json.bz2
deleted file mode 100644
index c71bef609b02a7d2170baa93483db48876613c31..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/montgomery/fold_1.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/montgomery/fold_2.json b/src/ptbench/data/montgomery/fold_2.json
new file mode 100644
index 0000000000000000000000000000000000000000..b6ccbe7f478e638b2479529bf230ff2e8b4beafa
--- /dev/null
+++ b/src/ptbench/data/montgomery/fold_2.json
@@ -0,0 +1,146 @@
+{
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+ ]
+}
diff --git a/src/ptbench/data/montgomery/fold_2.json.bz2 b/src/ptbench/data/montgomery/fold_2.json.bz2
deleted file mode 100644
index 932f6eb2e87db9238cd617275c9fa40276069068..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/montgomery/fold_2.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/montgomery/fold_3.json b/src/ptbench/data/montgomery/fold_3.json
new file mode 100644
index 0000000000000000000000000000000000000000..62196869c948f9f8611c69f97502e81eee8bcf99
--- /dev/null
+++ b/src/ptbench/data/montgomery/fold_3.json
@@ -0,0 +1,146 @@
+{
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+}
diff --git a/src/ptbench/data/montgomery/fold_3.json.bz2 b/src/ptbench/data/montgomery/fold_3.json.bz2
deleted file mode 100644
index 1af7fbcd155c7badce7cec6ee015443523a33b2d..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/montgomery/fold_3.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/montgomery/fold_4.json b/src/ptbench/data/montgomery/fold_4.json
new file mode 100644
index 0000000000000000000000000000000000000000..090dcbc4e3905e2d529f1332004c03a44c81d8ae
--- /dev/null
+++ b/src/ptbench/data/montgomery/fold_4.json
@@ -0,0 +1,146 @@
+{
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+ ["CXR_png/MCUCXR_0113_1.png", 1],
+ ["CXR_png/MCUCXR_0060_0.png", 0]
+ ],
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+ ],
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+ ]
+}
diff --git a/src/ptbench/data/montgomery/fold_4.json.bz2 b/src/ptbench/data/montgomery/fold_4.json.bz2
deleted file mode 100644
index e7e111936a8dbcec214d367ecc79cd9271905dc8..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/montgomery/fold_4.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/montgomery/fold_5.json b/src/ptbench/data/montgomery/fold_5.json
new file mode 100644
index 0000000000000000000000000000000000000000..17e03e7c656539018cd4f70b8fefcb15fe9af8cb
--- /dev/null
+++ b/src/ptbench/data/montgomery/fold_5.json
@@ -0,0 +1,146 @@
+{
+ "train": [
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+ ]
+}
diff --git a/src/ptbench/data/montgomery/fold_5.json.bz2 b/src/ptbench/data/montgomery/fold_5.json.bz2
deleted file mode 100644
index 3c6e86f90627680ebe26d77643d952eea54207f6..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/montgomery/fold_5.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/montgomery/fold_6.json b/src/ptbench/data/montgomery/fold_6.json
new file mode 100644
index 0000000000000000000000000000000000000000..025e4247505b459f19f3e65ae2acd69966fe442b
--- /dev/null
+++ b/src/ptbench/data/montgomery/fold_6.json
@@ -0,0 +1,146 @@
+{
+ "train": [
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+}
diff --git a/src/ptbench/data/montgomery/fold_6.json.bz2 b/src/ptbench/data/montgomery/fold_6.json.bz2
deleted file mode 100644
index c070b456bd9192236e3842317742cbf49476eaa0..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/montgomery/fold_6.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/montgomery/fold_7.json b/src/ptbench/data/montgomery/fold_7.json
new file mode 100644
index 0000000000000000000000000000000000000000..50cd31c09f0b70985a05e0bb39849bfa7ebbff03
--- /dev/null
+++ b/src/ptbench/data/montgomery/fold_7.json
@@ -0,0 +1,146 @@
+{
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+}
diff --git a/src/ptbench/data/montgomery/fold_7.json.bz2 b/src/ptbench/data/montgomery/fold_7.json.bz2
deleted file mode 100644
index 696bbe87cace98e56a7c5ef487db19410da2f5a2..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/montgomery/fold_7.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/montgomery/fold_8.json b/src/ptbench/data/montgomery/fold_8.json
new file mode 100644
index 0000000000000000000000000000000000000000..153f6940c0cb1bc222c7297602e3af9850ea934d
--- /dev/null
+++ b/src/ptbench/data/montgomery/fold_8.json
@@ -0,0 +1,146 @@
+{
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+ ]
+}
diff --git a/src/ptbench/data/montgomery/fold_8.json.bz2 b/src/ptbench/data/montgomery/fold_8.json.bz2
deleted file mode 100644
index 1d5b18d864965277b826ccd62fd827027ed28315..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/montgomery/fold_8.json.bz2 and /dev/null differ
diff --git a/src/ptbench/data/montgomery/fold_9.json b/src/ptbench/data/montgomery/fold_9.json
new file mode 100644
index 0000000000000000000000000000000000000000..2649d6e2493644efc826b1c68b712061205d5069
--- /dev/null
+++ b/src/ptbench/data/montgomery/fold_9.json
@@ -0,0 +1,146 @@
+{
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+ ],
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+ ]
+}
diff --git a/src/ptbench/data/montgomery/fold_9.json.bz2 b/src/ptbench/data/montgomery/fold_9.json.bz2
deleted file mode 100644
index 9b9a93553f0e4a073940c3111ef599e4dc783eb7..0000000000000000000000000000000000000000
Binary files a/src/ptbench/data/montgomery/fold_9.json.bz2 and /dev/null differ