C13332313311211113313331333133313331322333133313331333133313231123321121   >>    C1333231331121111331333133313331333132233313331333133313331323112332112   <<    C13332313311211113313331333133313331322333133313331333133313231123321123   >>      C13332313311211113313331333133313331322333133313331333133313231123321122   >>