[1,1,2,1,3,2,4,1,3,4,5,2,6,5,6,1,7,3,8,4,7,8,9,2,
 9,10,5,6,10,7,11,1,11,12,13,3,12,14,15,4,13,8,14,
 9,10,16,15,2,17,11,18,12,16,5,19,6,20,21,17,7,18,
 22,13,1,23,14,19,15,24,16,20,3,21,25,17,18,26,19,
 22,4,8,27,23]