20v20v6v,10w,4v6v,w,2f,a,f,a,3f,w,4v4v,3w,f,2w,f,w,f,w,f,w,4v4v,w,2f,a,2w,f,w,f,w,f,w,4v4v,w,f,w,f,2w,f,w,f,w,f,4w,vv,4w,f,w,2f,a,8f,w,vv,w,4f,w,4f,3w,f,2a,f,w,vv,w,4f,4w,f,6a,f,w,vv,w,5f,a,10f,w,vv,7w,4f,7w,v7v,6w,7v20v20v69,71,107,149,175,176,191,192,193,194,195,196,207130,132,134,153,156,164,168,183,184,185,212,214,21667
