LEVEL A | LEVEL B |
. | . | . | . | . | . | . | . | 8 | . | . | . | . | j | w | . | . | |
. | . | q | . | o | . | . | . | 7 | . | . | . | . | . | . | . | . | |
. | . | . | o | . | . | . | . | 6 | o | . | . | . | . | . | o | . | |
. | . | . | l | . | . | . | . | 5 | . | . | . | . | . | . | . | . | |
. | n | . | . | . | . | . | . | 4 | . | . | . | . | . | . | . | . | |
. | . | . | . | . | . | . | . | 3 | . | . | . | . | . | . | . | . | |
. | . | p | . | p | p | . | . | 2 | . | . | . | . | . | . | . | . | |
. | . | . | . | . | k | . | . | 1 | . | . | . | . | . | . | . | . | |
a | b | c | d | e | f | g | h | a | b | c | d | e | f | g | h |