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