7 rounds play in 6 groups of 4 golfers
[ 1 2 11 21 | 9 10 19 5 | 17 18 3 13 | 4 7 6 24 | 8 12 14 15 | 16 20 22 23 ]
[ 1 3 12 22 | 9 11 20 6 | 17 19 4 14 | 5 8 7 18 | 2 13 15 16 | 10 21 23 24 ]
[ 1 4 13 23 | 9 12 21 7 | 17 20 5 15 | 6 2 8 19 | 3 10 14 16 | 11 18 22 24 ]
[ 1 5 14 24 | 9 13 22 8 | 17 21 6 16 | 7 3 2 20 | 4 10 11 15 | 12 18 19 23 ]
[ 1 6 15 18 | 9 14 23 2 | 17 22 7 10 | 8 4 3 21 | 5 11 12 16 | 13 19 20 24 ]
[ 1 5 16 19 | 9 15 24 3 | 17 23 8 11 | 2 5 4 22 | 6 10 12 13 | 14 18 20 21 ]
[ 1 8 10 20 | 9 16 18 4 | 17 24 2 12 | 3 6 5 23 | 7 11 13 14 | 15 19 21 22 ]