p = 11 q = 47 x that is a gap [918, 918] Length: 1 [921, 921] Length: 1 [928, 929] Length: 2 [932, 932] Length: 1 [938, 943] Length: 6 [948, 954] Length: 7 [958, 965] Length: 8 [968, 976] Length: 9