20v20v20v2v,15w,3v2v,6w,3f,6w,3v2v,w,13f,w,3v2v,w,f,a,f,a,f,a,f,a,f,a,f,a,f,w,3v2v,w,a,w,f,w,f,w,f,w,f,w,f,w,a,w,3v2v,2w,a,f,a,f,a,f,a,f,a,f,a,f,w,3v2v,3w,11f,w,3v2v,6w,3f,6w,3v2v,15w,3v20v20v20v124,126,128,130,132,134,143,155,164,166,168,170,172,174125,127,129,131,133,145,147,151,153,165,167,169,171,173149
