newmtl mat21
  Kd 1.00 1.00 1.00

newmtl mat20
  Kd 0.47 0.33 0.28

newmtl mat23
  Kd 0.10 0.10 0.10

newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat8
  Kd 0.96 0.26 0.21

newmtl mat18
  Kd 1.00 0.80 0.53

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 mat15
  Kd 0.81 0.85 0.86

newmtl mat12
  Kd 1.00 0.92 0.23