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1 2 3 4 5 6 7 8 9 10 11 12 | 1x 3x 1x 2x 1x 2x 1x | export class Palindrome { public constructor(private value: string) { } private reverse(): string { return this.value.split("").reverse().join("").toLowerCase(); } public check(): boolean { return this.value.toLowerCase() === this.reverse(); } } |