diff --git a/ivtmetrics/maps.py b/ivtmetrics/maps.py
new file mode 100644
index 0000000..883ba76
--- /dev/null
+++ b/ivtmetrics/maps.py
@@ -0,0 +1,101 @@
+# IVT, I, V, T, IV, IT
+0,0,2,1,2,1
+1,0,2,0,2,0
+2,0,2,10,2,10
+3,0,0,3,0,3
+4,0,0,2,0,2
+5,0,0,4,0,4
+6,0,0,1,0,1
+7,0,0,0,0,0
+8,0,0,12,0,12
+9,0,0,8,0,8
+10,0,0,10,0,10
+11,0,0,11,0,11
+12,0,0,13,0,13
+13,0,8,0,8,0
+14,0,1,2,1,2
+15,0,1,4,1,4
+16,0,1,1,1,1
+17,0,1,0,1,0
+18,0,1,12,1,12
+19,0,1,8,1,8
+20,0,1,10,1,10
+21,0,1,11,1,11
+22,1,3,7,13,22
+23,1,3,5,13,20
+24,1,3,3,13,18
+25,1,3,2,13,17
+26,1,3,4,13,19
+27,1,3,1,13,16
+28,1,3,0,13,15
+29,1,3,8,13,23
+30,1,3,10,13,25
+31,1,3,11,13,26
+32,1,2,9,12,24
+33,1,2,3,12,18
+34,1,2,2,12,17
+35,1,2,1,12,16
+36,1,2,0,12,15
+37,1,2,10,12,25
+38,1,0,1,10,16
+39,1,0,8,10,23
+40,1,0,13,10,28
+41,1,1,2,11,17
+42,1,1,4,11,19
+43,1,1,0,11,15
+44,1,1,8,11,23
+45,1,1,10,11,25
+46,2,3,5,23,35
+47,2,3,3,23,33
+48,2,3,2,23,32
+49,2,3,4,23,34
+50,2,3,1,23,31
+51,2,3,0,23,30
+52,2,3,8,23,38
+53,2,3,10,23,40
+54,2,5,5,25,35
+55,2,5,11,25,41
+56,2,2,5,22,35
+57,2,2,3,22,33
+58,2,2,2,22,32
+59,2,2,1,22,31
+60,2,2,0,22,30
+61,2,2,10,22,40
+62,2,2,11,22,41
+63,2,1,0,21,30
+64,2,1,8,21,38
+65,3,3,10,33,55
+66,3,5,9,35,54
+67,3,5,5,35,50
+68,3,5,3,35,48
+69,3,5,2,35,47
+70,3,5,1,35,46
+71,3,5,8,35,53
+72,3,5,10,35,55
+73,3,5,11,35,56
+74,3,2,1,32,46
+75,3,2,0,32,45
+76,3,2,10,32,55
+77,4,4,5,44,65
+78,4,4,3,44,63
+79,4,4,2,44,62
+80,4,4,4,44,64
+81,4,4,1,44,61
+82,5,6,6,56,81
+83,5,2,2,52,77
+84,5,2,4,52,79
+85,5,2,1,52,76
+86,5,2,0,52,75
+87,5,2,10,52,85
+88,5,7,7,57,82
+89,5,7,4,57,79
+90,5,7,8,57,83
+91,5,1,0,51,75
+92,5,1,8,51,83
+93,5,1,10,51,85
+94,0,9,14,9,14
+95,1,9,14,19,29
+96,2,9,14,29,44
+97,3,9,14,39,59
+98,4,9,14,49,74
+99,5,9,14,59,89