[1 0 3 7 0] [0 1 1 3 0] [0 0 0 0 1] [0 0 0 0 0] [ 1 0 0 -17/13] [ 0 1 0 -3/13] [ 0 0 1 4/13] [ 0 0 0 0] [ 0 0 0 0] 3 3 True