St Patrick's Day workout

30:30:30 x 4 rounds.. Do x1 for 30 seconds followed immediately by 30 seconds of x2 and then rest for 30 seconds. Repeat 4 times and then move on to the next pair of exercises. Rest 1:30 between rounds.

a1: swings

a2: goblet squats

b1: pullups

b2: pushups

c1: windmill on right

c2: windmill on left

d1: Power Wheel rollout

d2: bridge