gistfile1.js

if (!me.stepping) {

	if (me.canMove('right')) {
      me.move('right');
    }
    else if (me.canMove('down')) {
      me.move('down')
    }
	else if (me.canMove('left')) {
		me.stepping = true;
        me.stepIndex = 0;
		me.move('left');
    }
    
}

if (me.stepping) {

	if (me.stepIndex % 2 != 0 && me.canMove('right')) {
        	me.stepIndex = 0;
            me.stepping = false;
            me.stepDirection = '';
    }
	else if (me.stepIndex == 0) {
    
	    if (me.canMove('up')) {
        	me.steppingDirection = 'up';
        }
		else if (me.canMove('down')) {
      		me.steppingDirection = 'down';
		}
        me.move(me.steppingDirection);
        
    }
	else {
		if (me.canMove(me.steppingDirection)) {
          me.move(me.steppingDirection);
        }
        else {
        	me.move('left');
		}
	}    
    
    me.stepIndex = me.stepIndex + 1;
    
}