[ [ primary>> ] append-weights { 0 } ]
[ [ secondary>> ] append-weights { 0 } ]
[ [ tertiary>> ] append-weights { 0 } ]
- [ [ [ secondary>> ] [ tertiary>> ] bi [ zero? ] bi@ and not ] filter [ variable-weight ] map ]
+ [ [ [ secondary>> ] [ tertiary>> ] bi [ zero? ] both? ] reject [ variable-weight ] map ]
} cleave
] { } append-outputs-as ;