B33132212112331323223313211232333132313331322331333133313112113313211   >>    B3313221211233132322331321123233313231333132233133313331311211331321   <<    B33132212112331323223313211232333132313331322331333133313112113313213   >>      B33132212112331323223313211232333132313331322331333133313112113313212   >>