1-2-4
1-2-5
1-2-6
1-4-2
1-4-5
1-4-6
1-5-2
1-5-4
1-5-6
1-6-2
1-6-4
1-6-5
2-1-4
2-1-5
2-1-6
3-1-2
3-1-4
3-1-5
3-1-6
3-2-4
(全20点)
1-2-4
1-2-5
1-2-6
1-4-2
1-4-5
1-4-6
1-5-2
1-5-4
1-5-6
1-6-2
1-6-4
1-6-5
2-1-4
2-1-5
2-1-6
3-1-2
3-1-4
3-1-5
3-1-6
3-2-4
(全20点)