C3213322333133313113313221211113313331333132322333232223123122221   >>    C321332233313331311331322121111331333133313232233323222312312222   <<    C3213322333133313113313221211113313331333132322333232223123122223   >>      C3213322333133313113313221211113313331333132322333232223123122222   >>