mat

1. Generate matched [ ]

2. for i in range(m - 1):
for j in range(n - 1):
if board[i][j] == board[i][j + 1]
== board[i + 1][j + 1] == board[i + 1][j] != '#':
j
i

3. for i in range(m - 1):
for j in range(n - 1):
if board[i][j] == board[i][j + 1]
== board[i + 1][j + 1] == board[i + 1][j] != '#':
j
i

4. for i in range(m - 1):
for j in range(n - 1):
if board[i][j] == board[i][j + 1]
== board[i + 1][j + 1] == board[i + 1][j] != '#':
j
i

5. for i in range(m - 1):
for j in range(n - 1):
if board[i][j] == board[i][j + 1]
== board[i + 1][j + 1] == board[i + 1][j] != '#':
j
i

6. for i in range(m - 1):
for j in range(n - 1):
if board[i][j] == board[i][j + 1]
== board[i + 1][j + 1] == board[i + 1][j] != '#':
j
i

7. for i in range(m - 1):
for j in range(n - 1):
if board[i][j] == board[i][j + 1]
== board[i + 1][j + 1] == board[i + 1][j] != '#':
j
i

8. for i in range(m - 1):
for j in range(n - 1):
if board[i][j] == board[i][j + 1]
== board[i + 1][j + 1] == board[i + 1][j] != '#':
j
i

9. for i in range(m - 1):
for j in range(n - 1):
if board[i][j] == board[i][j + 1]
== board[i + 1][j + 1] == board[i + 1][j] != '#':
j
i

10. for i in range(m - 1):
for j in range(n - 1):
if board[i][j] == board[i][j + 1]
== board[i + 1][j + 1] == board[i + 1][j] != '#':
j
i

11. . . .

12. for i in range(m - 1):
for j in range(n - 1):
if board[i][j] == board[i][j + 1]
== board[i + 1][j + 1] == board[i + 1][j] != '#':
j
i