B33132212112331323223313211232333132313231311331333132322313311   >>    B3313221211233132322331321123233313231323131133133313232231331   <<    B33132212112331323223313211232333132313231311331333132322313313   >>      B33132212112331323223313211232333132313231311331333132322313312   >>