Step1
Print
this diagram.
Step2
Put your bot up on blocks and observe wheel directions for all six commands (forward, reverse, spin right, spin left, strafe right, strafe left) and carefully compare them to the printout. Mark up the printout to show any wheel directions which do not agree with the attachment.
Step3
Tilt your bot on its side, and take a photo of the bottom showing all 4 wheels.
Step4
Take a picture of the marked-up printout and post it, along with your code and the photo from Step3.