M
1;9
1S1+-1P1+-1P2+-1P3
1S1+-1P4+-1P5+-1P6
1S1+-1P7+-1P8+-1P9
1S1+-1P1+-1P4+-1P7
1S1+-1P2+-1P5+-1P8
1S1+-1P3+-1P6+-1P9
1S1+-1P1+-1P5+-1P9
1S1+-1P3+-1P5+-1P7

N