B33113313132313113313223313331323331323112113313331323223313231323233232212311   >>    B3311331313231311331322331333132333132311211331333132322331323132323323221231   <<    B33113313132313113313223313331323331323112113313331323223313231323233232212313   >>      B33113313132313113313223313331323331323112113313331323223313231323233232212312   >>