C13223313311212111133133313331333133313232233133313112113121133132332321   >>    C1322331331121211113313331333133313331323223313331311211312113313233232   <<    C13223313311212111133133313331333133313232233133313112113121133132332323   >>      C13223313311212111133133313331333133313232233133313112113121133132332322   >>