fixtures
| pk1 | pk2 | pk3 | content |
|---|---|---|---|
| a | a | c | a-a-c |
| b | a | c | b-a-c |
| a | b | c | a-b-c |
| b | b | c | b-b-c |
| a | c | c | a-c-c |
| b | c | c | b-c-c |
| a | d | c | a-d-c |
| b | d | c | b-d-c |
| a | e | c | a-e-c |
| b | e | c | b-e-c |
| a | f | c | a-f-c |
| b | f | c | b-f-c |
| a | g | c | a-g-c |
| b | g | c | b-g-c |
| a | h | c | a-h-c |
| b | h | c | b-h-c |
| a | i | c | a-i-c |
| b | i | c | b-i-c |
| a | j | c | a-j-c |
| b | j | c | b-j-c |
| a | k | c | a-k-c |
| b | k | c | b-k-c |
| a | l | c | a-l-c |
| b | l | c | b-l-c |
| a | m | c | a-m-c |
| b | m | c | b-m-c |
| a | n | c | a-n-c |
| a | o | c | a-o-c |
| a | p | c | a-p-c |
| a | q | c | a-q-c |
| a | r | c | a-r-c |
| a | s | c | a-s-c |
| a | t | c | a-t-c |
| a | u | c | a-u-c |
| a | v | c | a-v-c |
| a | w | c | a-w-c |
| a | x | c | a-x-c |
| a | y | c | a-y-c |
| a | z | c | a-z-c |