1, a, 10, 1

1, a, 10, 3

2, b, 18, 2

1, c, 17, 3

3, a, 12, 6

1, d,  1, 4

1, 1, 10, 1

1, 1, 10, 3

2, 2, 18, 2

1, 3, 17, 3

3, 1, 12, 6

1, 4,  1, 4