1,2,3,4,0,0,0,0,0,0,0,0,0,0,0,0, 9,10,11,12,0,0,0,0,0,0,0,0,0,0,0,0, 9,18,19,12,0,0,0,0,0,0,0,0,0,0,0,0, 17,10,11,20,0,0,0,0,0,0,0,0,0,0,0,0, 9,18,19,12,0,0,0,0,0,0,0,0,0,0,0,0, 17,10,11,20,0,0,0,0,0,0,0,0,0,0,0,0, 9,10,11,12,0,0,0,0,0,0,0,0,0,0,0,0, 9,18,19,20,0,0,0,0,0,0,0,0,0,0,0,0, 9,10,11,12,0,0,0,0,0,0,0,0,0,0,0,0, 17,10,11,20,0,0,0,0,0,0,0,0,0,0,0,0, 9,10,11,12,0,0,0,0,0,0,0,0,0,0,0,0, 17,18,19,20,0,0,0,0,0,0,0,0,0,0,0,0, 25,26,27,28,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0