C3213322333133313113313221211113313331333131131233232213121133131121   >>    C321332233313331311331322121111331333133313113123323221312113313112   <<    C3213322333133313113313221211113313331333131131233232213121133131123   >>      C3213322333133313113313221211113313331333131131233232213121133131122   >>