C111123313121111121111331333133313331333133313331333132233133313223323321   >>    C11112331312111112111133133313331333133313331333133313223313331322332332   <<    C111123313121111121111331333133313331333133313331333132233133313223323323   >>      C111123313121111121111331333133313331333133313331333132233133313223323322   >>