idx		x	y	z	h.total_mass	h.n_cells	h.n_cells
554637557	14.1564	55.7319	30.4752	1.72328e+10	32	32
492176276	52.8487	22.1717	27.0731	2.28527e+10	59	59
339244365	19.2308	31.2249	18.6542	1.60525e+10	45	45
450780877	41.3737	53.0217	24.7665	5.64052e+10	93	93