[2,3,2,3,6,7,6,7,10,11,10,11,14,15,14,15,18,19,18, 19,22,23,22,23,26,27,26,27,30,31,30,31,34,35,34, 35,38,39,38,39,42,43,42,43,46,47,46,47,50,51,50, 51,54,55,54,55,58,59,58,59,62,63,62,63,66,67,66]