B33113313132313113313223313331311331323331323331333132233132313311232211   >>    B3311331313231311331322331333131133132333132333133313223313231331123221   <<    B33113313132313113313223313331311331323331323331333132233132313311232213   >>      B33113313132313113313223313331311331323331323331333132233132313311232212   >>