B33132212112331323223313211232333132313331322331333133313331313123233321   >>    B3313221211233132322331321123233313231333132233133313331333131312323332   <<    B33132212112331323223313211232333132313331322331333133313331313123233323   >>      B33132212112331323223313211232333132313331322331333133313331313123233322   >>