1. 1.
    0
    upupupupupupupupup
    ···
  2. 2.
    0
    upupupupupupup
    ···
  3. 3.
    0
    up up up up up
    ···
  4. 4.
    -1
    up up up up up
    ···
  5. 5.
    -1
    ap ap ap a p
    ···
  6. 6.
    0
    up up up up up up
    ···