C13332313311211113313331333133313331322331333133313331311223221   >>    C1333231331121111331333133313331333132233133313331333131122322   <<    C13332313311211113313331333133313331322331333133313331311223223   >>      C13332313311211113313331333133313331322331333133313331311223222   >>