C3213322333133313113313221211113313331333131131233232223112223121   >>    C321332233313331311331322121111331333133313113123323222311222312   <<    C3213322333133313113313221211113313331333131131233232223112223123   >>      C3213322333133313113313221211113313331333131131233232223112223122   >>