D11221123122332313123231323223313113313231323113313231232322331   >>    D1122112312233231312323132322331311331323132311331323123232233   <<    D11221123122332313123231323223313113313231323113313231232322333   >>      D11221123122332313123231323223313113313231323113313231232322332   >>