C13223313311212111133133313331333133313232233133313331211331333132332211   >>    C1322331331121211113313331333133313331323223313331333121133133313233221   <<    C13223313311212111133133313331333133313232233133313331211331333132332213   >>      C13223313311212111133133313331333133313232233133313331211331333132332212   >>