C111123313121111121111331333133313331331121111113313331333133313331311221121121   >>    C11112331312111112111133133313331333133112111111331333133313331333131122112112   <<    C111123313121111121111331333133313331331121111113313331333133313331311221121123   >>      C111123313121111121111331333133313331331121111113313331333133313331311221121122   >>