4

0 0 0 2 2 2 0 0 0

0 0 0 2 2 2 0 0 0

0 0 0 2 2 2 0 0 0

2 2 2 2 2 2 2 2 2

2 2 2 2 1 2 2 2 2

2 2 2 2 2 2 2 2 2

0 0 0 2 2 2 0 0 0

0 0 0 2 2 2 0 0 0

0 0 0 2 2 2 0 0 0



2 2 0 0 0 0 0 2 2

2 2 2 0 0 0 0 2 2

2 2 2 2 1 1 1 2 2

2 2 1 2 2 1 1 2 2

2 2 1 1 2 2 1 2 2

2 2 1 1 1 2 2 2 2

2 2 0 0 0 0 2 2 2

2 2 0 0 0 0 0 2 2

0 0 0 0 0 0 0 0 0 



1 2 1 2 1 2 2 2 1

1 2 2 1 1 1 2 1 1

1 2 1 2 1 1 2 1 1

1 2 1 2 1 2 2 2 1

1 1 1 1 1 1 1 1 1

1 2 2 1 1 2 2 2 1

1 2 1 2 1 1 2 1 1

1 2 2 1 1 1 2 1 1

1 2 1 2 1 2 2 2 1



0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 1 2 2 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

