20 10 8 8 0
 1- 2 1  3- 4 2  5- 6 3  7- 8 4  9-10 5 11-12 6 13-14 7 15-16 8 17-18 1 19-20 2 
 1-10 2  3-12 1  5- 2 6  7- 4 5  9-14 4 11-16 3 13-18 2 15-20 1 17- 6 8 19- 8 7 
 1-12 3  3-10 4  5- 8 5  7- 6 6  9-18 3 11-20 4 13-16 1 15-14 2 17- 4 7 19- 2 8 
 1- 4 4  3- 2 3  5-18 4  7-20 3  9-16 6 11-14 5 13-12 8 15-10 7 17- 8 2 19- 6 1 
 1- 6 5  3- 8 6  5-16 2  7-14 1  9- 4 8 11- 2 7 13-20 6 15-18 5 17-12 4 19-10 3 
 1-14 6  3-16 5  5-12 7  7-10 8  9- 8 1 11- 6 2 13- 4 3 15- 2 4 17-20 5 19-18 6 
 1-16 7  3-14 8  5-20 8  7-18 7  9- 2 2 11- 4 1 13- 6 4 15- 8 3 17-10 6 19-12 5 
 8- 1 8  6- 3 7 10- 5 1 12- 7 2 20- 9 7 18-11 8  2-13 5  4-15 6 14-17 3 16-19 4 
#<name>20 paren 8 ronden</name>