C13223313311212111133133313331333133313232233133313331323221211111133132331121   >>    C1322331331121211113313331333133313331323223313331333132322121111113313233112   <<    C13223313311212111133133313331333133313232233133313331323221211111133132331123   >>      C13223313311212111133133313331333133313232233133313331323221211111133132331122   >>