BLACK and white test

1970 1 2 3 4 5 6 7 8 90 1 2 3 4 5 6 7 8 90 1 2 3 4 5 6 7 8 9

1.1K0 1 2 3 4 5 6 7 8 9.0 1 2 3 4 5 6 7 8 9K

2990 1 2 3 4 5 6 7 8 90 1 2 3 4 5 6 7 8 90 1 2 3 4 5 6 7 8 9