- -: ------- > 1: a31b12e unrelated
- 1: 4de457d = 2: cc9c443 s/5/A/
- 2: fccce22 = 3: c5d9641 s/4/A/
- 3: 147e64e = 4: 28cc2b6 s/11/B/
- 4: a63e992 = 5: 5628ab7 s/12/B/
+ -: $(test_oid __) > 1: $(test_oid b5) unrelated
+ 1: $(test_oid t1) = 2: $(test_oid b1) s/5/A/
+ 2: $(test_oid t2) = 3: $(test_oid b2) s/4/A/
+ 3: $(test_oid t3) = 4: $(test_oid b3) s/11/B/
+ 4: $(test_oid t4) = 5: $(test_oid b4) s/12/B/