Surprise in a Box: Difference between revisions
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{{machine|1RB2LB1LC_1LA2RB1RB_1RZ2LA0LC}} | {{machine|1RB2LB1LC_1LA2RB1RB_1RZ2LA0LC}}{{Stub}} | ||
{{TM|1RB2LB1LC_1LA2RB1RB_1RZ2LA0LC|halt}}, named '''Surprise in a Box''' by Allen Brady, is a halting [[BB(3,3)]] TM which runs surprisingly long on a surprisingly small segment of the tape. It halts after 2,315,619 steps, but only touches 51 cells on the tape. | {{TM|1RB2LB1LC_1LA2RB1RB_1RZ2LA0LC|halt}}, named '''Surprise in a Box''' by Allen Brady, is a halting [[BB(3,3)]] TM which runs surprisingly long on a surprisingly small segment of the tape. It halts after 2,315,619 steps, but only touches 51 cells on the tape. | ||
Latest revision as of 21:28, 24 August 2025
1RB2LB1LC_1LA2RB1RB_1RZ2LA0LC (bbch), named Surprise in a Box by Allen Brady, is a halting BB(3,3) TM which runs surprisingly long on a surprisingly small segment of the tape. It halts after 2,315,619 steps, but only touches 51 cells on the tape.