beautifulMatrix

Writes Matrixes such as:
1 1 1 1 1
1 2 2 2 1
1 2 3 2 1
1 2 2 2 1
1 1 1 1 1
(for size = 5)

1 1 1 1 1 1 1 1
1 2 2 2 2 2 2 1
1 2 3 3 3 3 2 1
1 2 3 4 4 3 2 1
1 2 3 4 4 3 2 1
1 2 3 3 3 3 2 1
1 2 2 2 2 2 2 1
1 1 1 1 1 1 1 1
(for size = 8)