# 
# These are the ternary & quaternary excluded minors for branch-width 3
# on up to 9 elements (actually in a sqrt^6 representation).
# 
# 

SUBFRAME
# (Written in the (p)field sqrt-6.)
@replace a w

	1	0	1	1	0
	1	1	0	a	1
	0	1	a^3	a-1	a
	0	0	1	1	a^4

@name O7_r7_c12 
@comment "mat #12 column exten to 'O7_r7', base 3x4, sig rc(1)" 
#@ext-signature 1 
#@ext-bsize 3 4 
EOFRAME


SUBFRAME
# (Written in the (p)field sqrt-6.)
@replace a w

	1	0	1	1	0
	1	1	0	a	1
	0	1	a^3	a-1	a
	0	0	1	1	a^4
@transpose

@name O7_r7_c12#
@comment "mat #12 column exten to 'O7_r7', dual, base 3x4, sig rc(1)" 
#@ext-signature 1 
#@ext-bsize 3 4 
EOFRAME