Angle of Incidents

Five four three two one
Zero

orez eno owT

oreZ
eno owt eerht ruof eviF

Five four three two one
Zero

eerht ruof eviF

eerht ruof eviF

Five four three two one
Zero

oreZ
eno owt eerht ruof eviF

Five four three two one
End

Thank you Robin, that's a good call