Data from:
H. C. (Ginny) Chan, C. A. Rodger and Jennifer Seberry
On inequivalent weighing matrices
Ars Combinatoria,, 21A (1986), 299-333.

Classifications of weighing matrices of order 12 and weight 5

F(12,5)
1 1 1 1 1 0 0 0 0 0 0 0
1 1 - - 0 1 0 0 0 0 0 0
1 - 0 0 0 0 1 1 1 0 0 0
1 - 0 0 0 0 - - 0 1 0 0
1 0 0 0 - - 0 0 - - 0 0
0 1 0 0 - - 0 0 1 1 0 0

0 0 1 - 0 0 1 - 0 0 1 0
0 0 1 - 0 0 - 1 0 0 0 1
0 0 1 0 - 1 0 0 0 0 - -
0 0 0 1 - 1 0 0 0 0 1 1
0 0 0 0 0 0 1 0 - 1 - 1
0 0 0 0 0 0 0 1 - 1 1 -

W(6,5) + W(6,5)
0 1 1 1 1 1 0 0 0 0 0 0
1 0 1 - - 1 0 0 0 0 0 0
1 1 0 1 - - 0 0 0 0 0 0
1 - 1 0 1 - 0 0 0 0 0 0
1 - - 1 0 1 0 0 0 0 0 0
1 1 - - 1 0 0 0 0 0 0 0

0 0 0 0 0 0 0 1 1 1 1 1
0 0 0 0 0 0 1 0 1 - - 1
0 0 0 0 0 0 1 1 0 1 - -
0 0 0 0 0 0 1 - 1 0 1 -
0 0 0 0 0 0 1 - - 1 0 1
0 0 0 0 0 0 1 1 - - 1 0

Page created 26th November 1999 by Jennifer Seberry.