B33132212112331323223313211232333132313331312111133132323311311   >>    B3313221211233132322331321123233313231333131211113313232331131   <<    B33132212112331323223313211232333132313331312111133132323311313   >>      B33132212112331323223313211232333132313331312111133132323311312   >>