C13332313311211113313331333133313331323133313331333133312233233231   >>    C1333231331121111331333133313331333132313331333133313331223323323   <<    C13332313311211113313331333133313331323133313331333133312233233233   >>      C13332313311211113313331333133313331323133313331333133312233233232   >>