[4,5,6,7,4,5,6,7,12,13,14,15,12,13,14,15,20,21,22,23,20,21,22,23,28,29,30,31,28,29,30,31,36,37,38,39,36,37,38,39,44,45,46,47,44,45,46,47,52,53,54,55,52,53,54,55,60,61,62,63,60,61,62,63]