Is possible add custom buttons to right and left side of nav

ionic-v1
1

I have the following in partial view and second ion-nav-buttons override first ion-nav-buttons.

   <ion-nav-buttons side="right">
        <button class="button button-clear button-positive" ng-click="next()">
            Next <i class="icon ion-android-send"></i>
        </button>
    </ion-nav-buttons>
    <ion-nav-buttons side="left">
        <button class="button button-icon icon ion-navicon" menu-toggle="left"></button>
    </ion-nav-buttons>

Is possible add custom buttons to right and left side of nav at the same time?