2/3:5/6=3/10:3/8
5/6:2/3=3/8:3/10
2/3:3/10=5/6:3/8
3/10:2/3=3/8:2/3
3/10:3/8=2/3:5/6
3/8:3/10=5/6:2/3
5/6:3/8=2/3:3/10
3/8:2/3=3/10:2/3
2/3:5/6=3/10:3/8
5/6:2/3=3/8:3/10
2/3:3/10=5/6:3/8
3/10:2/3=3/8:2/3
3/10:3/8=2/3:5/6
3/8:3/10=5/6:2/3
5/6:3/8=2/3:3/10
3/8:2/3=3/10:2/3