B33132212112331323223313211232333132313331322331333133313123231323222321   >>    B3313221211233132322331321123233313231333132233133313331312323132322232   <<    B33132212112331323223313211232333132313331322331333133313123231323222323   >>      B33132212112331323223313211232333132313331322331333133313123231323222322   >>