C13223313311212111133133313331333131133131333132313331312211321   >>    C1322331331121211113313331333133313113313133313231333131221132   <<    C13223313311212111133133313331333131133131333132313331312211323   >>      C13223313311212111133133313331333131133131333132313331312211322   >>