B33132212112331323223313211232333132313331322331333133313331311112112111   >>    B3313221211233132322331321123233313231333132233133313331333131111211211   <<    B33132212112331323223313211232333132313331322331333133313331311112112113   >>      B33132212112331323223313211232333132313331322331333133313331311112112112   >>