origin = ( 2,2.5 )


	boxht = 0.2; boxwid = 0.3
	down; box color black; box; box; box ht 3*boxht '.' '.' '.'
L:	box; box
	box invisible width 2*boxwid 'hashtab: ' with .east at first box.west
	right
Start:	box width 0.5 with .sw at first box.ne + (.4,.2) '...'
N1:	box width .2 'n2'
D1:	box width .3 'd2'
N3:	box width .4 'n3'
D3:	box width .3 'd3'
	box width .4 '...'
N2:	box width .5 'n1'
D2:	box width .2 'd1'

	arrow right from second box
box width boxwid/2 ht boxht/2 
       down; box same with .top at bottom of last box
       box same with .top at bottom of last box; box same 
	spline -> right .2 from fourth last box to N1.sw + (0.05,0)
	spline -> right .3 from third  last box to D1.sw + (0.05,0)
	arrow right from last box
box width boxwid/2 ht boxht/2 
       down; box same with .top at bottom of last box
       box same with .top at bottom of last box; box same 
	spline -> right .2 from fourth last box to N2.sw - (0.05,.2) \
			   to N2.sw + (0.05,0)
	spline -> right .3 from third  last box to D2.sw - (0.05,.2) \
			   to D2.sw + (0.05,0)
	arrow right 2*arrowlen from L
box width boxwid/2 ht boxht/2 
       down; box same with .top at bottom of last box
       box same with .top at bottom of last box; box same 
	spline -> right .2 from fourth last box to N3.sw + (0.05,0)
	spline -> right .3 from third  last box to D3.sw + (0.05,0)

	rad = .3
	circle invisible 'NDBlock' at last box.east + (1.2,0)
	arrow dashed from last circle.west to last box.east

	box invisible width 2*boxwid 'NDTable: ' with .east at Start.west