C13223313311212111133133313331333133313232233133313331232333131321   >>    C1322331331121211113313331333133313331323223313331333123233313132   <<    C13223313311212111133133313331333133313232233133313331232333131323   >>      C13223313311212111133133313331333133313232233133313331232333131322   >>