B331133131323131133132233133313113313331323223331212121111131211   >>    B33113313132313113313223313331311331333132322333121212111113121   <<    B331133131323131133132233133313113313331323223331212121111131213   >>      B331133131323131133132233133313113313331323223331212121111131212   >>