B33132212112331323223313211232333132313331322331333133313331323331322123321   >>    B3313221211233132322331321123233313231333132233133313331333132333132212332   <<    B33132212112331323223313211232333132313331322331333133313331323331322123323   >>      B33132212112331323223313211232333132313331322331333133313331323331322123322   >>