Advanced

Double-under for 2 minutes (media.crossfit.com/cf-video/CrossFit_DoubleUnders2.mov)
Sit-up for 2 minutes
Double-under for 90 seconds
Sit-up for 90 seconds
Double-under for 1-minute
Sit-up for 1-minute
Double-under for 30 seconds
Sit-up for 30 seconds

Intermediate
Double-under Practice or singles 2 minutes

(media.crossfit.com/cf-video/CrossFit_DoubleUnders2.mov)

Sit-up for 2 minutes
Double-under Practice or singles 90 seconds
Sit-up for 90 seconds
Double-under Practice or singles 1-minute
Sit-up for 1-minute

Beginner
Singles 90 seconds (media.crossfit.com/cf-video/CrossFit_DoubleUnders2.mov)
Sit-up for 90 seconds
Singles 1-minute
Sit-up for 1-minute
Singles 30 seconds
Sit-up for 30 seconds

Post numbers of sit-ups and double-unders or singles to comments…if you do not do double-unders, specify.