function solve (arr) {

      let arr2 = [];

      let obj = {};

      let objArr = [];

      let objArr2 = [];

      let newArr = 1;

      let arr3 = [];

      let arr4 = [];



      for (let el of arr) {

        arr2.push(el.split(' | '));

      }


      arr2.sort((a, b) => a[0].localeCompare(b[0]));

      // console.log(arr2);


      for (let el of arr2) {


          for (let i = 0; i < el.length; i++) {

            let name = el[0];

            if (el[0] === objArr[0] || newArr === 1) {

              if (i === el.length - 1) {

                newArr = 0;

              }

            if (i === 0 && newArr === 1) {

            objArr.push(name);

            } else {

              if (el[i] !== name) {

              objArr.push(el[i]);

              }

            }

          } else {

          objArr2.push(objArr);

          objArr = [];

          newArr++;

          i = -1;


          }

          }

          if (el === arr2[arr2.length - 1]) {

          objArr2.push(objArr);

          }


      }


      for (let i = 0; i < objArr2.length; i++) {

        for (let j = 0; j < objArr2[i].length; j = j + 2) {

          let comp = objArr2[i][j - 1];

          let subComp = objArr2[i][j];

          if (j === 0) {

        obj.system = objArr2[i][j];

          } else {

            if (obj.hasOwnProperty(comp)) {

            obj[comp].push(subComp);


            } else {

            obj[comp] = [subComp];

            }

          }

        }

        arr3.push(obj);

        obj = {};

      }

      // console.log(objArr2);

      for (let i = 0; i < arr3.length; i++) {

     arr4.push(Object.entries(arr3[i]).sort((a, b) => b[1].length - a[1].length));

      }


      arr4.sort((a, b) =>  b.length === a.length ? a[0][0][1].localeCompare(b[0][0][1]) : b.length - a.length);




      for (let i = 0; i < arr4.length; i++) {


      console.log(arr4[i][0][1]);

        arr4[i].shift();



        for (let j = 0; j < arr4[i].length; j++) {

          console.log(`|||${arr4[i][j][0]}`);

      for (let k = 0; k < arr4[i][j][1].length; k++) {

     console.log(`||||||${arr4[i][j][1][k]}`);

      }

    }


      }


    }