26,25,3,0,1,2,21,18,20,22,19,24,23,34,35,7,8,29,30,4,6,5,49,48,45,46,47,33,32,31,14,16,17,15,13,10,12,9,11,41,40,44,42,43,28,27,39,36,37,38