C13223313311212111133133313331323133313331323131133131133132213231231   >>    C1322331331121211113313331333132313331333132313113313113313221323123   <<    C13223313311212111133133313331323133313331323131133131133132213231233   >>      C13223313311212111133133313331323133313331323131133131133132213231232   >>