7
1
1
1
1  1
1  7
7
1  1  1  2
2  0  1  3
2  1  1  4
2  0  1  5
2  1  1  6
2  0  1  7
3  1  0  0

//7 rows, 1 tube line, 1 tube per row, 1 circuit, parallel-cross-flow