some ideas for tomorrow's (6/13/21) workout

Here are some ideas for tomorrow's (6/13/21) workout:

2x150 in 21, 2x200 in 30, 2x100 in sub-13 (3-4 min rest)

2x200 in 30, 2x150 in 21, 2x100 in sub-13 (3-4 min rest)

100(13)-150(21)-200(30)-300(48)-200(30)-150(21)-100(13)-2 min, 3 min rest, 4 min rest, 5 min rest, 4 min rest, 3 min rest

4x150(21), 4x100 (sub-13) (3min)

3x3x150 in 21.0 2' rest between repeats and 6' between sets.