C13332313311211113313331333133313331323323132233312111133132212121   >>    C1333231331121111331333133313331333132332313223331211113313221212   <<    C13332313311211113313331333133313331323323132233312111133132212123   >>      C13332313311211113313331333133313331323323132233312111133132212122   >>