<reponame>drom/reqack<gh_stars>10-100
{assign:[
  ['i.req',  ['&', 't0.req', 't1.req', '...']],
  ['t0.ack', ['&', 'i.ack', ['&', '1', 't1.req', '...']]],
  ['t1.ack', ['&', 'i.ack', ['&', 't0.req', '1', '...']]],
]}
