4
2
2
2
1  4
2  1
4
1  1  2  3
2  0  1  2
2  1  2  1
3  0  0  0
2  4
1  1
4
1  0  1  3
2  1  2  2
2  0  1  1
3  1  0  0

//                       CONFIGURATION 31
//4 rows, 2 tube lines, 2 tubes per row, 2 circuits, identical order