C13332313311211113313331333133313331322333133313331333132331231231   >>    C1333231331121111331333133313331333132233313331333133313233123123   <<    C13332313311211113313331333133313331322333133313331333132331231233   >>      C13332313311211113313331333133313331322333133313331333132331231232   >>