(A) ---> [0 1 10 11 100 101 110 111 1000 1001 1010 1011 1100 1101 1110 1111 ]
(group_indices(A, m_index<0,1>(), m_index<2,3>())) ---> 
[[0,100,1000,1100]
 [1,101,1001,1101]
 [10,110,1010,1110]
 [11,111,1011,1111]]
(B) ---> 
[[0,1]
 [2,3]]
(C) ---> 
[[1.7,-1.30769,-0.472222]
 [0.386364,0.809524,-8.5]
 [0.217949,0.309091,0.53125]]
(Binv) ---> 
[[-1.5,0.5]
 [1,0]]
(Cinv) ---> 
[[0.386252,0.0693273,1.45257]
 [-0.259977,0.1271,1.80251]
 [-0.00720283,-0.102391,0.237694]]
(A) ---> [0 3.4 0 0.772727 0 0.435897 1.7 5.1 0.386364 1.15909 0.217949 0.653846 0 -2.61538 0 1.61905 0 0.618182 -1.30769 -3.92308 0.809524 2.42857 0.309091 0.927273 0 -0.944444 0 -17 0 1.0625 -0.472222 -1.41667 -8.5 -25.5 0.53125 1.59375 ]
(R) ---> [-0.579378 0.386252 0.389966 -0.259977 0.0108043 -0.00720283 0.193126 0 -0.129989 0 -0.00360142 0 -0.103991 0.0693273 -0.19065 0.1271 0.153587 -0.102391 0.0346636 0 0.06355 0 -0.0511955 0 -2.17886 1.45257 -2.70376 1.80251 -0.35654 0.237694 0.726286 0 0.901255 0 0.118847 0 ]
(A) ---> [-0.579378 0.386252 0.389966 -0.259977 0.0108043 -0.00720283 0.193126 0 -0.129989 0 -0.00360142 0 -0.103991 0.0693273 -0.19065 0.1271 0.153587 -0.102391 0.0346636 0 0.06355 0 -0.0511955 0 -2.17886 1.45257 -2.70376 1.80251 -0.35654 0.237694 0.726286 0 0.901255 0 0.118847 0 ]
(A) ---> [0 1 10 11 100 101 110 111 1000 1001 1010 1011 1100 1101 1110 1111 ]
(group_indices(A, m_index<0,1>(), m_index<2,3>())) ---> 
[[0,1000,100,1100]
 [10,1010,110,1110]
 [1,1001,101,1101]
 [11,1011,111,1111]]
(B) ---> 
[[0,1]
 [2,3]]
(C) ---> 
[[1.7,-1.30769,-0.472222]
 [0.386364,0.809524,-8.5]
 [0.217949,0.309091,0.53125]]
(Binv) ---> 
[[-1.5,0.5]
 [1,0]]
(Cinv) ---> 
[[0.386252,0.0693273,1.45257]
 [-0.259977,0.1271,1.80251]
 [-0.00720283,-0.102391,0.237694]]
(A) ---> [0 3.4 0 0.772727 0 0.435897 1.7 5.1 0.386364 1.15909 0.217949 0.653846 0 -2.61538 0 1.61905 0 0.618182 -1.30769 -3.92308 0.809524 2.42857 0.309091 0.927273 0 -0.944444 0 -17 0 1.0625 -0.472222 -1.41667 -8.5 -25.5 0.53125 1.59375 ]
(R) ---> [-0.579378 0.386252 0.389966 -0.259977 0.0108043 -0.00720283 0.193126 0 -0.129989 0 -0.00360142 0 -0.103991 0.0693273 -0.19065 0.1271 0.153587 -0.102391 0.0346636 0 0.06355 0 -0.0511955 0 -2.17886 1.45257 -2.70376 1.80251 -0.35654 0.237694 0.726286 0 0.901255 0 0.118847 0 ]
(A) ---> [-0.579378 0.386252 0.389966 -0.259977 0.0108043 -0.00720283 0.193126 0 -0.129989 0 -0.00360142 0 -0.103991 0.0693273 -0.19065 0.1271 0.153587 -0.102391 0.0346636 0 0.06355 0 -0.0511955 0 -2.17886 1.45257 -2.70376 1.80251 -0.35654 0.237694 0.726286 0 0.901255 0 0.118847 0 ]