20v6v,5w,9v6v,w,3f,3w,7v6v,w,f,w,3f,w,7v4v,3w,3a,2f,w,7v4v,w,2f,a,f,a,w,f,4w,4v4v,w,2f,5a,3f,w,4v4v,w,3f,w,a,f,a,w,2f,w,4v4v,3w,2f,3a,3f,w,4v6v,w,6f,3w,4v6v,w,2f,w,f,w,f,w,6v6v,4w,3f,w,6v9v,5w,6v20v20v87,88,89,107,109,127,128,129,130,131,149,151,169,170,17169,90,108,111,126,128,130,132,147,150,153,168,170,189,19188
