constant solenoid field
4  5
1  1  -0.30  0.00  1.  0.
1  2  -0.30  0.20  1.  0.
1  3  -0.30  0.40  1.  0.
1  4  -0.30  0.60  1.  0.
1  5  -0.30  0.80  1.  0.
2  1  -0.10  0.00  1.  0.
2  2  -0.10  0.20  1.  0.
2  3  -0.10  0.40  1.  0.
2  4  -0.10  0.60  1.  0.
2  5  -0.10  0.80  1.  0.
3  1  0.10  0.00  1.  0.
3  2  0.10  0.20  1.  0.
3  3  0.10  0.40  1.  0.
3  4  0.10  0.60  1.  0.
3  5  0.10  0.80  1.  0.
4  1  0.30  0.00  1.  0.
4  2  0.30  0.20  1.  0.
4  3  0.30  0.40  1.  0.
4  4  0.30  0.60  1.  0.
4  5  0.30  0.80  1.  0.