\ parallel queue machine;

[dup [q.o] map &: _. [q.p] map flatten] 	`q.q 		def;
[dup 1 _. reverse swap *: infra reverse] 	`q.p		def;
[|: *: type 7 =]				`q.o		def;
[[q.q] Converge]				`queue		def;

[+ 1 * 2 - 3 4] `j1 set;
[* 5 + 6 % 7 8] `j2 set;
[% 5 6]		`j3 set;

j1 j3 , queue;
j1 j2 , queue;