[4,3,6,0,1,2,5,9,12,7,8,15,10,11,18,13,14,21,16, 17,24,19,20,27,22,23,30,25,26,33,28,29,36,31,32, 39,34,35,42,37,38,45,40,41,48,43,44,51,46,47,54, 49,50,57,52,53,60,55,56,63,58,59,66,61,62,69,64, 65,72,67,68,75,70,71,78,73,74,81,76]