solve [[0,0,0,0,0,1], [0,0,0,0,2,2], [0,0,0,6,6,3], [0,0,24,24,12,4], [0,120,120,60,20,5], [720,720,360,120,30,6]] * [x0,x1,x2,x3,x4,x5] = [1,33,276,1300,4425,12201]