newmtl mat12
  Kd 1.00 0.92 0.23

newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat7
  Kd 0.94 0.38 0.57

newmtl mat23
  Kd 0.10 0.10 0.10

newmtl mat19
  Kd 0.87 0.60 0.27