[sofuture]

a.{~(/:a+c=:_29 14 _60 12 8 0 _2 5 3 2 11 6 14 _1 8 13){+/\a=:(#.1,5$0),1,(#.1,6$0),0,(2$2),(#:20),~(3*1 1r3,|.i.3)