C1111133313331323223313331333133313331323131211113313112231131211   >>    C111113331333132322331333133313331333132313121111331311223113121   <<    C1111133313331323223313331333133313331323131211113313112231131213   >>      C1111133313331323223313331333133313331323131211113313112231131212   >>