C13223313311212111133133313331333133313232233133313332313132333132211   >>    C1322331331121211113313331333133313331323223313331333231313233313221   <<    C13223313311212111133133313331333133313232233133313332313132333132213   >>      C13223313311212111133133313331333133313232233133313332313132333132212   >>