蹇。利西南，不利东北。利见大人，贞吉。
Water over Mountain. The path forward is genuinely blocked.
The Lines
初六：往蹇来誉。
Line 1 — Going leads to obstruction. Don't advance. Turn around.
六二：王臣蹇蹇，匪躬之故。
Line 2 — The king's servant encounters obstruction upon obstruction. Duty forces you into it.
九三：往蹇来反。
Line 3 — Going leads to obstruction. Hence one comes back. Same instruction, reinforced.
六四：往蹇来连。
Line 4 — Coming leads to union. Turning back connects you with allies.
九五：大蹇朋来。
Line 5 — In the midst of the greatest obstructions, friends come. When difficulty peaks, help arrives.
上六：往蹇来硕，吉，利见大人。
Line 6 — Coming leads to great good fortune. Go back, seek the wise advisor.
Nuclear Hexagram
Nuclear Hexagram: 64 未济 (Before Completion)
The block is part of an unfinished process, not a final wall.
Practical Application
Every single line says: don't push through. Go back. Find allies.