equal_curves 0 4 TRUE
equal_curves 1 5 TRUE
equal_curves 2 6 TRUE
equal_curves 3 7 TRUE
equal_curves 0 8 TRUE
equal_curves 1 9 TRUE
equal_curves 2 10 TRUE
equal_curves 3 11 TRUE
equal_curves 0 12 TRUE
equal_curves 1 13 TRUE
equal_curves 2 14 TRUE
equal_curves 3 15 TRUE
equal_curves 0 16 TRUE
equal_curves 1 17 TRUE
equal_curves 2 18 TRUE
equal_curves 3 19 TRUE
