C1111233131211111211113313331333133313331333133313331333133313331322122322331   >>    C111123313121111121111331333133313331333133313331333133313331333132212232233   <<    C1111233131211111211113313331333133313331333133313331333133313331322122322333   >>      C1111233131211111211113313331333133313331333133313331333133313331322122322332   >>