B331133131323131133132233133313231313331311331311331323223313232212312331   >>    B33113313132313113313223313331323131333131133131133132322331323221231233   <<    B331133131323131133132233133313231313331311331311331323223313232212312333   >>      B331133131323131133132233133313231313331311331311331323223313232212312332   >>