C13223313311212111133133313331333132332313112113313331323133313211   >>    C1322331331121211113313331333133313233231311211331333132313331321   <<    C13223313311212111133133313331333132332313112113313331323133313213   >>      C13223313311212111133133313331333132332313112113313331323133313212   >>