order =  1 5 3 4 0 2
strokes = 1	items in the BB system 13	current id# = 172391	min# unbound = 5
strokes = 2	items in the BB system 28	current id# = 172446	min# unbound = 4
strokes = 3	items in the BB system 35	current id# = 172553	min# unbound = 3
strokes = 4	items in the BB system 40	current id# = 172686	min# unbound = 2
strokes = 5	items in the BB system 44	current id# = 172690	min# unbound = 1
strokes = 6	items in the BB system 48	current id# = 172827	min# unbound = 0
