C13223313311212111133133313331333132332313112113313331323132212331   >>    C1322331331121211113313331333133313233231311211331333132313221233   <<    C13223313311212111133133313331333132332313112113313331323132212333   >>      C13223313311212111133133313331333132332313112113313331323132212332   >>