{"license": "CC BY 4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "word": {"id": "W-0089", "n": 13, "length": 6747801713, "sha256": "5e13d2ee49ae435a0d7f5805535f738c3140ad9c6c6db139910c4716f880ad52", "is_record": true, "tie": false, "letters_saved": 63, "repeated_occurrences": 1797379, "credited": [{"name": "Jay Pantone", "github_username": "jaypantone"}], "date": "2026-11-09T03:00:48Z", "date_precision": "day", "received_at": "2026-11-09T03:00:48Z", "source": "site", "source_url": null, "note": "This word starts from Jakub Halfar's 6,747,801,798-letter word. In fourteen of his blocks I traded rows so that each block frees four trails, and moved those trails to one common insertion point, which saved 22 letters. I then cut the word at every step of weight 5 or more. No permutation window crosses those cuts, so the pieces can go in any order. Gurobi found the order with the most overlap between neighboring pieces, which saved 63 letters more than the original order.", "url": "https://superpermutations.com/w/W-0089", "permutation_windows": 6228818179, "check_elapsed_seconds": 256.343429, "deletable_letters": null, "begins": "0123456789ABC0123456789AB0C123456789AB01C23456789AB012C3456789AB0123C456789AB01234C56789AB012345C6789AB0123456C789AB0123", "checkers": {"classcheck": {"source_sha256": "fe9c2f7fd612f3311543038c96bfda84d9d81d84229417d35bb44102da78848f", "seconds": 45.064965372905135}, "bitmapcheck": {"source_sha256": "98e62368f912a3a0735910b924314104681dc2ea55f283c32eb66d52748bf1f0", "seconds": 33.137859219219536}, "wordhash": {"source_sha256": "cb47f567daa6634a3ebeb81f2d9eb7fb5c19659441fbb973bf29a36a784a1c95", "seconds": 35.440318373031914}, "compiler": "rustc 1.89.0 (29483883e 2025-08-04)"}, "file": {"name": "W-0089.detour", "compression": "detour", "size": 221492, "encoded_sha256": "7c59be785a6cbd422cd832e89a8beae05820a5a42d576830dfc47df96e469e1a", "metadata": {"schema_version": 1, "format": "detour", "encoded_sha256": "7c59be785a6cbd422cd832e89a8beae05820a5a42d576830dfc47df96e469e1a", "encoded_size": 221492, "word_length": 6747801713, "word_sha256": "5e13d2ee49ae435a0d7f5805535f738c3140ad9c6c6db139910c4716f880ad52", "detour": {"version": 1, "n": 13, "alphabet": "0123456789ABC", "length": 6747801713, "sha256": "5e13d2ee49ae435a0d7f5805535f738c3140ad9c6c6db139910c4716f880ad52", "tokens": 11704856, "starts": 1, "literal_bytes": 0, "steps_by_weight": [5749816579, 439056336, 39927112, 12377, 1492, 1204, 350, 1371, 452, 668, 104, 118, 15], "detours_by_weight": [0, 0, 11695158, 3918, 1497, 1203, 350, 1372, 452, 668, 102, 120, 15]}}, "text_download": null, "download": "https://superpermutations.com/w/W-0089/download"}}}