B33113313132313113313223313331323331333131322331333132333132313232211211   >>    B3311331313231311331322331333132333133313132233133313233313231323221121   <<    B33113313132313113313223313331323331333131322331333132333132313232211213   >>      B33113313132313113313223313331323331333131322331333132333132313232211212   >>