C13223313311212111133133313331333133313232233133313113321211321   >>    C1322331331121211113313331333133313331323223313331311332121132   <<    C13223313311212111133133313331333133313232233133313113321211323   >>      C13223313311212111133133313331333133313232233133313113321211322   >>