C13332313311211113313331333133313331322333133313331333133313233231333221   >>    C1333231331121111331333133313331333132233313331333133313331323323133322   <<    C13332313311211113313331333133313331322333133313331333133313233231333223   >>      C13332313311211113313331333133313331322333133313331333133313233231333222   >>