C13332313311211113313331333133313331322333133313331333133321213232232221   >>    C1333231331121111331333133313331333132233313331333133313332121323223222   <<    C13332313311211113313331333133313331322333133313331333133321213232232223   >>      C13332313311211113313331333133313331322333133313331333133321213232232222   >>