C31232233133313221211113313331333133313122132313331323131231211   >>    C3123223313331322121111331333133313331312213231333132313123121   <<    C31232233133313221211113313331333133313122132313331323131231213   >>      C31232233133313221211113313331333133313122132313331323131231212   >>