order =  0 1 3 2 4 5
strokes = 1	items in the BB system 3	current id# = 432966	min# unbound = 5
strokes = 2	items in the BB system 7	current id# = 432974	min# unbound = 4
strokes = 3	items in the BB system 12	current id# = 432987	min# unbound = 3
strokes = 4	items in the BB system 16	current id# = 433012	min# unbound = 2
strokes = 5	items in the BB system 21	current id# = 433043	min# unbound = 1
strokes = 6	items in the BB system 25	current id# = 433081	min# unbound = 0
