1[[0,0,0,0,1],[1,1,1,1,1],[2,4,8,16,1],[3,9,27,81,1],[4,16,64,256,1],[5,25,125,625,1],[6,36,216,1296,1],[7,49,343,2401,1]]
2[[7,0,1,2,3,4,5,6],[7,6,5,4,3,2,1,0]]
3