Bucker beam. 
N P J  C
100 100 1 0
4
0 0 0 0 0 0 0
0 1500 -1498 0 0 1 0
120 1498 -1500 0 0 1 0
240 1505 0 0 0 2.1 0
50 21 7.5 30 2 240
0.1 300 51 50
1400 1E8
-1 1 1
0 20 20 5
0 300 12 100
20 60 4