] { } make natural-sort ;
: (ptriplet) ( target p q triplet -- target p q )
- sum [ pick ] dip = [ next-pq 2dup abc (ptriplet) ] unless ;
+ sum pickd = [ next-pq 2dup abc (ptriplet) ] unless ;
: ptriplet ( target -- triplet )
3 1 { 3 4 5 } (ptriplet) abc nip ;