C3213322333133313113313221211113313331333133313112212132312122321   >>    C321332233313331311331322121111331333133313331311221213231212232   <<    C3213322333133313113313221211113313331333133313112212132312122323   >>      C3213322333133313113313221211113313331333133313112212132312122322   >>