B331133131323131133132233133313223313113313223313331323133313233313231313331211   >>    B33113313132313113313223313331322331311331322331333132313331323331323131333121   <<    B331133131323131133132233133313223313113313223313331323133313233313231313331213   >>      B331133131323131133132233133313223313113313223313331323133313233313231313331212   >>