B33113313132313113313223313331323331323112113313331323223313231323132232211   >>    B3311331313231311331322331333132333132311211331333132322331323132313223221   <<    B33113313132313113313223313331323331323112113313331323223313231323132232213   >>      B33113313132313113313223313331323331323112113313331323223313231323132232212   >>