Incorrect highlighting of common parts in some cases
Example files:
1.txt
010001001a002b4a0f419ef8fb535355205b15e467ee9894f90babe50542
a0d88a33e465068f24de0544cfeb0cb363e824e709104d51989aad0d8e00
a2f0b1c7ae81684ea3c78124f80aea6ab54f55f401000000000440260001
2003191961b412608d1bde10de60309229207d0fbbdff71ebc4c97f74020
1008040281402060c3d5721301be1b10vs
2.txt
0100010002002c0296f0cc71e44b4c0e21704c942a8e6427abc24d2ac184
b54545ef8b6a8d081e5f61cd991e82a04926f615c4f79ba96f2cb58b0d97
f111789ae4450a597eb5a063250afcdec33ce994020000000000c0990386
39f3190099cc1db4a76b986898d8288c2ac01f9ebfeff3751addbbc74120
100804028140208083d9725d82e81210Reproduced in 3.14 and 3.18.
