earlonrails

#!/usr/bin/env node

// https://www.geeksforgeeks.org/find-if-given-matrix-is-toeplitz-or-not/

class Toeplitz {
  static check(matrix) {
    for (var i = 1; i < matrix.length - 1; i++) {
      let row = matrix[i]
      let prevRow = matrix[i - 1]
      for (var j = 1; j < row.length - 1; j++) {