C132233133112121111331333133313331333132331213331323211232313223331   >>    C13223313311212111133133313331333133313233121333132321123231322333   <<    C132233133112121111331333133313331333132331213331323211232313223333   >>      C132233133112121111331333133313331333132331213331323211232313223332   >>