[math][fundamental rulese to devide nume to 11

Функция находит числа в массиве чисел, которые деляться на 11

lib/isDevided11/isDevided11.ts

@@ -0,0 +1,39 @@
+export function isDevided11(numbers: number[]): number[] {
+  const res: number[] = [];
+  let L = 1;
+  let R = numbers.length - 1
+  let M = 0;
+
+  while (L <= numbers.length - 1 || R >= 0) {
+    const L_NUM = numbers[L];
+    const R_NUM = numbers[R];
+
+    while (M <= numbers.length - 1) {
+      const M_NUM = numbers[M];
+
+      if (((L_NUM + R_NUM) - M_NUM) % 11 === 0) {
+        res.push(+`${L_NUM}${M_NUM}${R_NUM}`)
+        res.push(+`${R_NUM}${M_NUM}${L_NUM}`)
+      }
+
+      if (((L_NUM + M_NUM) - R_NUM) % 11 === 0) {
+        res.push(+`${L_NUM}${R_NUM}${M_NUM}`)
+        res.push(+`${M_NUM}${R_NUM}${L_NUM}`)
+      }
+
+      if (((R_NUM + M_NUM) - L_NUM) % 11 === 0) {
+        res.push(+`${R_NUM}${L_NUM}${M_NUM}`)
+        res.push(+`${M_NUM}${L_NUM}${R_NUM}`)
+      }
+
+      M++
+    }
+
+    L++
+    R--
+
+  }
+
+
+  return res;
+};