network /Cluster {
	reset { driver; ; null_ra.d }

	processor ATW	{ ~ST,~1A,2A, ; }
	processor 1A	{ ~ATW,~1B,~1C, ;}
	processor 1B	{ , ,~1D,~1A;}
	processor 1C	{ ~1A,~1D, , ;}
	processor 1D	{ ~1B, , ,~1C;}
	processor 1A	{ ~ATW,~2B,~2C, ;}
	processor 1B	{ , ,~2D,~2A;}
	processor 1C	{ ~2A,~2D, , ;}
	processor 1D	{ ~2B, , ,~2C;}
	processor ST	{ ~ATW      ; ST; }
}