product transform OAS1_0031_MR1_mpr-2_anon_to_711-2C_t4
product=[OAS1_0031_MR1_mpr-2_anon_to_OAS1_0031_MR1_mpr-1_anon_t4][OAS1_0031_MR1_mpr-1_anon_to_711-2C_t4]
t4
 -0.024453 -0.856565  0.391778    8.7146
  0.003797  0.374646  0.795184   11.9921
 -0.974808  0.026408 -0.011747    0.5979
  0.000000  0.000000  0.000000    1.0000
scale:      1.040171
