100644 blob fd8eec3d045a99d68d88f3eb4898a182b5e2f758	step_00_before.cc
100644 blob f8efd06a5d9fda7866b12c6f7c9195cc078ba700	step_01_during.cc
100644 blob 9e08150dd7bf712c140a4055eb37964031bd8109	step_03_after.cc