structure (like a trie) which is faster and better that we can find
My earliest prototype used ascii characters for snakes and fruit. This had a problem - since terminal characters are twice as tall as they are wide, vertical movement felt much faster than horizontal movement:
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在每年11月到翌年2月中旬的南極夏季期間，麥肯齊負責管理駐守「哈利六號」的40人團隊。
Plato (left) imagined humans were once whole, with four arms, four legs and two faces, before Zeus (right) split them, leaving each half searching for its other