B33132212112331323223313211232333132313331322331333133313331313231321   >>    B3313221211233132322331321123233313231333132233133313331333131323132   <<    B33132212112331323223313211232333132313331322331333133313331313231323   >>      B33132212112331323223313211232333132313331322331333133313331313231322   >>