newmtl mat21
  Kd 1.00 1.00 1.00

newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat17
  Kd 0.27 0.35 0.39

newmtl mat15
  Kd 0.81 0.85 0.86

newmtl mat23
  Kd 0.10 0.10 0.10

newmtl mat24
  Ka 0.58 0.65 1.00
  Kd 0.92 0.95 0.94
  Ks 1 1 1
  illum 9
  Ns 300
  d 0.4
  Ni 1.5

newmtl mat16
  Kd 0.47 0.56 0.61

newmtl mat25
  Ka 1.00 0.65 0.67
  Kd 0.92 0.95 0.94
  Ks 1 1 1
  illum 9
  Ns 300
  d 0.4
  Ni 1.5

newmtl mat8
  Kd 0.96 0.26 0.21

newmtl mat20
  Kd 0.47 0.33 0.28

newmtl mat5
  Kd 0.01 0.61 0.90