C1111233131211111211113313331333133313232313331333133313132231131   >>    C111123313121111121111331333133313331323231333133313331313223113   <<    C1111233131211111211113313331333133313232313331333133313132231133   >>      C1111233131211111211113313331333133313232313331333133313132231132   >>