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#! /usr/bin/env node
var S = process.argv[2] || 'perlandraku';
var N = S.length;
var O = process.argv[3] || 4;
var C = process.argv[4] || 3;
let die = (message) => {
console.log(message);
process.kill(process.pid);
};
var OO = parseInt(O);
if (OO != O || O < 1)
die('O: Integer >= 1 only');
var CC = parseInt(C);
if (CC != C || C < 1)
die('C: Integer >= 1 only');
if (C >= O)
die('C: Must be < O');
if (CC + OO > N)
die('C + O: Must be <= N');
for (index = 1; index <= CC; index++)
{
S = S.slice(0, index)
+ S.charAt(index + OO)
+ S.slice(index +1, index + OO)
+ S.charAt(index)
+ S.slice(index + OO +1);
}
console.log(S);
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