rules = all

Dong 1, cot 1	Dong 1, cot 2
Dong 2, cot 1	Dong 2, cot 2
Dong 3, cot 1	Dong 3, cot 2

rules = cols

Dong 1, cot 1	Dong 1, cot 2
Dong 2, cot 1	Dong 2, cot 2
Dong 3, cot 1	Dong 3, cot 2

rules = groups

Dong 1, cot 1	Dong 1, cot 2
Dong 2, cot 1	Dong 2, cot 2
Dong 3, cot 1	Dong 3, cot 2

rules = rows

Dong 1, cot 1	Dong 1, cot 2
Dong 2, cot 1	Dong 2, cot 2
Dong 3, cot 1	Dong 3, cot 2