C13223313311212111133133313331333132332313112113313331333132222231211   >>    C1322331331121211113313331333133313233231311211331333133313222223121   <<    C13223313311212111133133313331333132332313112113313331333132222231213   >>      C13223313311212111133133313331333132332313112113313331333132222231212   >>