paper(0) Number Mod X Y { Value (X-(Y*(X/Y))) } Set RSEED 97 Number Random { Set BB 198621 Set MM (98921+) Set BL (RSEED*BB+1) Set RSEED Value } Set RSEED (*) Paper 0 command randomize row columns //create an array of random 100's and 0's for each row { Repeat count 1 columns { Set r //r spits out 0 or 1 randomly Set selector (count+columns*row) set (r*100) } } command initialize rows columns { Repeat y 0 rows { randomize y columns } } command fill start finish rows columns screenwidth speed { set countarray (columns*(rows+1)) repeat down (start/speed) (finish/speed) { repeat selector countarray 1 { set [(selector%columns) (selector/columns)] } repeat selector 1 countarray { set } repeat i (down*speed-(speed/2)+1) (down*speed+(speed/2)) { line (columns+1) i screenwidth i } } } command right rows columns screenwidth { set countarray (columns*(rows+1)) repeat t (-screenwidth) screenwidth { pen 0 line (columns+1) (rows/2+1 - t/10) ((screenwidth-columns-1)/2+columns+1) (rows/2+1) pen 100 line screenwidth (rows/2+t/10) ((screenwidth-columns-1)/2+columns+1) (rows/2) } } command left rows columns screenwidth { set countarray (columns*(rows+1)) repeat t (-screenwidth) screenwidth { pen 100 line (columns+1) (rows/2+t/10) ((screenwidth-columns-1)/2+columns+1) (rows/2) pen 0 line screenwidth (rows/2+1 - t/10) ((screenwidth-columns-1)/2+columns+1) (rows/2+1) } } command leftnull rows columns screenwidth { repeat t (-100) 0 { pen 0 line (columns+1) (rows/2+1 - t/10) ((screenwidth-columns-1)/2+columns+1) (rows/2+1) pen 100 line screenwidth (rows/2+t/10) ((screenwidth-columns-1)/2+columns+1) (rows/2) } } command drain start finish { pen 0 repeat down start finish { line 10 down 100 down } } command loop rows columns screenwidth speed { fill 0 (rows/2) rows columns screenwidth speed right rows columns screenwidth left rows columns screenwidth right rows columns screenwidth left rows columns screenwidth right rows columns screenwidth left rows columns screenwidth leftnull rows columns screenwidth fill (rows/2) rows rows columns screenwidth speed drain rows 0 } set rows 100 set columns 9 //maximum columns is floor of 1000/(rows+1) set screenwidth 100 set speed 1 //speed should be 1, 2, 4, 6 //ACTION! initialize rows columns loop rows columns screenwidth speed	Create a general method for abstractly filling the DBN paper area at variable percentages. In a display loop, show the 25 percent, 50 percent, and 75 percent solutions in rotation.
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