version: '2'

tasks:
  default:
    deps:
      - t1

  t1:
    deps:
      - t3
      - t4
    cmds:
      - task: t2
      - echo done 1
  t2:
    deps:
      - t5
      - t6
    cmds:
      - echo done 2
  t3:
    cmds:
      - echo done 3
  t4:
    cmds:
      - echo done 4
  t5:
    cmds:
      - echo done 5
  t6:
    cmds:
      - echo done 6