C3123223313331322121111331333133313223313113313113313231333132232131211   >>    C312322331333132212111133133313331322331311331311331323133313223213121   <<    C3123223313331322121111331333133313223313113313113313231333132232131213   >>      C3123223313331322121111331333133313223313113313113313231333132232131212   >>