product transform OAS1_0031_MR1_mpr-3_anon_to_711-2C_t4
product=[OAS1_0031_MR1_mpr-3_anon_to_OAS1_0031_MR1_mpr-1_anon_t4][OAS1_0031_MR1_mpr-1_anon_to_711-2C_t4]
t4
 -0.024620 -0.854781  0.394708    9.0623
  0.011002  0.377555  0.793277   11.9664
 -0.975057  0.029338 -0.006042    0.8464
  0.000000  0.000000  0.000000    1.0000
scale:      1.052543
