[0,1,3,4,5,5,6,8,6,7,9,10,11,7,8,10,11,12,12,13, 15,8,9,11,12,13,13,14,16,14,15,17,18,19,9,10,12, 13,14,14,15,17,15,16,18,19,20,16,17,19,20,21,21, 22,24,10,11,13,14,15,15,16,18,16,17,19,20,21,17, 18,20]