B33132212112331323223313211232333132313331322331333133313112113313223123231   >>    B3313221211233132322331321123233313231333132233133313331311211331322312323   <<    B33132212112331323223313211232333132313331322331333133313112113313223123233   >>      B33132212112331323223313211232333132313331322331333133313112113313223123232   >>