C13223313311212111133133313331323133313331323131133131122233321   >>    C1322331331121211113313331333132313331333132313113313112223332   <<    C13223313311212111133133313331323133313331323131133131122233323   >>      C13223313311212111133133313331323133313331323131133131122233322   >>