B33132212112331323223313211232333132313331322331333133313331311212111112111211   >>    B3313221211233132322331321123233313231333132233133313331333131121211111211121   <<    B33132212112331323223313211232333132313331322331333133313331311212111112111213   >>      B33132212112331323223313211232333132313331322331333133313331311212111112111212   >>