C111123313121111121111331323133313233313232233132313331323131221   >>    C11112331312111112111133132313331323331323223313231333132313122   <<    C111123313121111121111331323133313233313232233132313331323131223   >>      C111123313121111121111331323133313233313232233132313331323131222   >>