Open 13.4

7 minute AMRAP of:
3 Clean and jerk (135/95)
3 Toes-to-bar
6 Clean and jerk
6 Toes-to-bar
9 Clean and jerk
9 Toes-to-bar
12 Clean and jerk
12 Toes-to-bar
15 Clean and jerk
15 Toes-to-bar
…and continue until time expires