product transform OAS1_0001_MR1_mpr-2_anon_to_711-2C_t4
product=[OAS1_0001_MR1_mpr-2_anon_to_OAS1_0001_MR1_mpr-1_anon_t4][OAS1_0001_MR1_mpr-1_anon_to_711-2C_t4]
t4
 -0.034105 -0.903505  0.257798   -0.8697
 -0.004998  0.268983  0.828610    5.5484
 -0.933120 -0.000184 -0.020566    2.3428
  0.000000  0.000000  0.000000    1.0000
scale:      0.910995
