C111123313121111121111331333133313113313231313231333131323223311   >>    C11112331312111112111133133313331311331323131323133313132322331   <<    C111123313121111121111331333133313113313231313231333131323223313   >>      C111123313121111121111331333133313113313231313231333131323223312   >>