8
5/1 0/1 15/1      15/1 0/1 15/1       10/1 15/1 15/1
9/1 4/1 16/1      7/1 -2/1 14/1       11/1 -2/1 14/1
8/1 5/1 3/1       20/1 5/1 37/1       17/1 12/1 37/1
20/1 20/1 23/1    24/1 21/1 23/1      21/1 21/1 23/1
20/1 20/1 20/1    24/1 21/1 25/1      21/1 21/1 25/1
0/1 0/1 4/1     4/1 1/1 4/1         1/1 2/1 4/1
3/2 0/1 3/1     3/1 0/1 3/1         2/1 3/1 3/1
1/3 2/3 4/1     2/3 4/3 4/1         -1/1 3/1 5/1