20
21
22
23
24
25
26
27
28
29
30
(block #:brk-blk-0004 (for nil ((< i 100) nil) nil (block #:cnt-blk-0003 (if (< (inc i) 20) (return-from #:cnt-blk-0003)) (if (> i 30) (return-from #:brk-blk-0004)) (prinl i))))