pr-13222-a49e22 vs. 2412-31 / vk-lin-mesa / lesson08

pr-13222-a49e22 (a49e22e1) Diff 2412-31 (ada646a7)
Failure 8eeb74172960c11c1712a6a7f49d3ddb88323034
Failure c07549e0751994179b00e5f94d91b44ade9d9363
Failure 7f72f063f1c74d173acc5ce535b353de4b0fe5fb