B33132212112331323223313211232333132313331322331333133313112113313113313122331   >>    B3313221211233132322331321123233313231333132233133313331311211331311331312233   <<    B33132212112331323223313211232333132313331322331333133313112113313113313122333   >>      B33132212112331323223313211232333132313331322331333133313112113313113313122332   >>