The 2011 boxes with small balls are arranged in a row from left to right. If there are 11 small balls in the leftmost box, and there are 30 small balls in every 5 adjacent boxes, then there are 30 small balls in the rightmost box. How many small balls.
放有小球的2011个盒子从左到右排成一行，如果最左边的盒子里有11个小球，且每5个相邻的盒子里共有30个小球，那么最右边的盒子里有多少个小球．
<result>11</result>