Kernel-checked shard 2 of 8 for the exhaustive Sp₄(𝔽₂) detector.
The detector succeeds on 16-bit matrix block 4 (with indices 0 through 31).
The detector succeeds on 16-bit matrix block 5 (with indices 0 through 31).
The detector succeeds on 16-bit matrix block 6 (with indices 0 through 31).
The detector succeeds on 16-bit matrix block 7 (with indices 0 through 31).