Let's do it: [0, 0, 1, 1, 0, 0, 0] 010 phase done: [0, 0, 1, 1, 0, 0, 0] tmpstr 110 (-110) Now: [0, 0, 1, 0, 0] tmpstr 100 i 1 tmpstr2 100 tmpstr 010 (-010) Now: [0, 1, 0] Finishing up: [0, 1, 0] 6 2 1 1 1 1 1