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