B33132212112331323223313211232333132313231311331333132322221231   >>    B3313221211233132322331321123233313231323131133133313232222123   <<    B33132212112331323223313211232333132313231311331333132322221233   >>      B33132212112331323223313211232333132313231311331333132322221232   >>