C1111121111331311211331333133313121111331323131133132322132233132311121   >>    C111112111133131121133133313331312111133132313113313232213223313231112   <<    C1111121111331311211331333133313121111331323131133132322132233132311123   >>      C1111121111331311211331333133313121111331323131133132322132233132311122   >>