newmtl mat11
  Kd 0.00 0.59 0.53

newmtl mat16
  Kd 0.47 0.56 0.61

newmtl mat23
  Kd 0.10 0.10 0.10

newmtl mat17
  Kd 0.27 0.35 0.39

newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat5
  Kd 0.01 0.61 0.90

newmtl mat2
  Kd 0.40 0.23 0.72