C13223313311212111133133313331333133313232233133313331323211112311   >>    C1322331331121211113313331333133313331323223313331333132321111231   <<    C13223313311212111133133313331333133313232233133313331323211112313   >>      C13223313311212111133133313331333133313232233133313331323211112312   >>