NODE 734 — TERMINAL RELAY

{
  "type": "watershed",
  "elevation": [
    [
      51,
      36,
      42,
      53,
      76,
      90,
      13,
      40
    ],
    [
      44,
      31,
      83,
      22,
      58,
      81,
      68,
      37
    ],
    [
      57,
      37,
      53,
      71,
      25,
      75,
      78,
      72
    ],
    [
      27,
      36,
      81,
      18,
      79,
      64,
      64,
      49
    ],
    [
      77,
      12,
      58,
      60,
      78,
      15,
      53,
      36
    ],
    [
      79,
      24,
      88,
      44,
      68,
      15,
      32,
      67
    ],
    [
      84,
      26,
      84,
      44,
      14,
      59,
      77,
      23
    ],
    [
      83,
      57,
      56,
      49,
      40,
      16,
      44,
      41
    ]
  ],
  "grid_size": 8,
  "n_chars": 6,
  "hint": "For each cell: find lowest neighbor (8-directional). Water flows that way. Accumulate flow from upstream cells. Sort outlet cells by accumulation -> letters.",
  "answer_format": "lowercase letters, no spaces or punctuation"
}