newmtl mat10
  Kd 0.30 0.69 0.31

newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat21
  Kd 1.00 1.00 1.00

newmtl mat12
  Kd 1.00 0.92 0.23

newmtl mat7
  Kd 0.94 0.38 0.57