Let's do it: [1, 0, 0, 1, 0, 0, 1]
(-010) Now: [1, 0, 1, 0, 1]
(-010) Now: [1, 1, 0]
010 phase done: [1, 1, 0]
Finishing up: [1, 1, 0]
4
2 2 2 1