C3213322333133313113313221211113313331333131111331322222213122221   >>    C321332233313331311331322121111331333133313111133132222221312222   <<    C3213322333133313113313221211113313331333131111331322222213122223   >>      C3213322333133313113313221211113313331333131111331322222213122222   >>