N | G | K1 | K2 | K3 |
2 | −1/180 | 32/45 | —— | —— |
3 | 1/3360 | 243/560 | 1539/1120 | —— |
4 | −1/69,300 | 8992/17,325 | 14,912/17,325 | 1696/825 |