B33113313132313113313223313331323132333132313331311321322112121   >>    B3311331313231311331322331333132313233313231333131132132211212   <<    B33113313132313113313223313331323132333132313331311321322112123   >>      B33113313132313113313223313331323132333132313331311321322112122   >>