Full compression. Using symmetry and assuming B.W.
 8
 1 3 5 3
 2 3 5 4
 3 2 1 -1
 4 2 -3 -2
 1 3 5 4
 2 3 5 3
 3 2 1 -2
 4 2 -3 -1
 1 3 5 3
 2 3 5 4
 3 3 -2 -1
 4 3 0 0
 1 3 5 3
 2 3 5 4
 3 3 -2 -1
 4 3 0 0
 1 3 5 3
 2 3 5 4
 3 3 -2 -1
 4 3 0 0
 1 3 5 4
 2 3 5 3
 3 3 -1 -2
 4 3 0 0
 1 3 5 4
 2 3 5 3
 3 3 -1 -2
 4 3 0 0
 1 3 5 4
 2 3 5 3
 3 3 -1 -2
 4 3 0 0
 Found match 1 2
 mass   200.  200.
 width  1.04949999  1.04949999
 Found match 2 1 -1 2
 Found match 3 3
 mass   200.  200.
 width  1.04949999  1.04949999
 Keeping Configuration 3
 Found match 4 4
 mass   200.  200.
 width  1.04949999  1.04949999
 Keeping Configuration 4
 Found match 5 5
 mass   200.  200.
 width  1.04949999  1.04949999
 Keeping Configuration 5
 Found match 6 6
 mass   200.  200.
 width  1.04949999  1.04949999
 Keeping Configuration 6
 Found match 7 7
 mass   200.  200.
 width  1.04949999  1.04949999
 Keeping Configuration 7
 Found match 8 8
 mass   200.  200.
 width  1.04949999  1.04949999
 Keeping Configuration 8
 Compression 8 7 1