alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,alpha,