max sequence

function sequence(array) {
    let arrToString = array[0];
    let clearArr = [];

    for (let l = 0; l < arrToString.length; l++) {
        if (arrToString[l] != ' ') {
            clearArr.push(arrToString[l]);
        }
    }

    let maxSequence = [];
    let currentMaxSequence = [];

    for (let i = 0; i < clearArr.length; i++) {
        while (clearArr[i] === clearArr[i + 1]) {
            currentMaxSequence.push(Number(clearArr[i]));
            i++;
        }

        currentMaxSequence.push(Number(clearArr[i]));

        if (currentMaxSequence.length > maxSequence.length) {
            maxSequence = currentMaxSequence.slice();
        }

        currentMaxSequence = [];
    }

    console.log(maxSequence.join(' '));
}
sequence(['2 1 1 2 3 3 2 2 2 1'])