B331133131323131133132233133313231313331311331311331323223313231333112122311   >>    B33113313132313113313223313331323131333131133131133132322331323133311212231   <<    B331133131323131133132233133313231313331311331311331323223313231333112122313   >>      B331133131323131133132233133313231313331311331311331323223313231333112122312   >>