## 0 0 is A
## 0 1 is B
## 0 2 is C
## 0 3 is D
## 0 4 is E
## 0 5 is F
## 0 6 is G
## 1 0 is A
## 1 1 is D
## 1 2 is E
## 1 3 is F
## 1 4 is G
## 2 0 is B
## 2 1 is F
## 2 2 is G
## 3 0 is D
## 3 1 is E
## 3 2 is F
## 4 0 is A
## 4 1 is C
## 5 0 is G