2a:null 2b:["$","title",null,{"children":"⠀ | ⠀ | Observable"}] 30:T61d,viewof codec = { const ꖅ=(O,ꖅꖅ=O=>O[0]?[...ꖅꖅ(O.slice(1)),O[0],...ꖅꖅ(O.slice(1))]:[])=>ꖅꖅ([...O]).join`` const ↈ=(O,ↈↈ=O=>O[0]?O[(O.length-1)/2]+ↈↈ(O.slice(0,(O.length-1)/2)):"")=>ↈↈ([...O]) const ƎE=O=>[...O].reverse().join``+[...O].slice(1).join`` const ↀ=O=>O.slice(-(O.length+1)/2) const ui = html`

${row("", [["◦୦◦◯◦୦◦", ꖅ], ["◯୦◯◦◯୦◯", ↈ], ["◦୦◦◯◦୦◦", ꖅ]])} ${row("", [["◦୦◯୦◦", ƎE], ["◯୦◦୦◯", ↀ], ["◦୦◯୦◦", ƎE]])} ${row("", [["◦୦◦◯◦୦◦", ꖅ], ["◯୦◯◦◯୦◯", ↈ], ["◦୦◦◯◦୦◦", ꖅ]])} ${row("", [["◦୦◦◯◦୦◦", ꖅ], ["◯୦◯◦◯୦◯", ↈ], ["◦୦◦◯◦୦◦", ꖅ]])} ${row("", [["◦୦◯୦◦", ƎE], ["◯୦◦୦◯", ↀ], ["◦୦◯୦◦", ƎE]])} ${row("", [["◦୦◦◯◦୦◦", ꖅ], ["◯୦◯◦◯୦◯", ↈ], ["◦୦◦◯◦୦◦", ꖅ]])}

`; const input = ui.querySelector("input"); const out = ui.querySelector("pre"); function row(name, ops) { return html`

${ops.map(([label, fn]) => { const b = html``; b.onclick = () => { out.textContent = fn(input.value); ui.value = out.textContent; ui.dispatchEvent(new CustomEvent("input")); }; return b; })}

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