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+#X text 351 75 step 1: select one of those six grids;
+#X obj 78 135 loadbang;
+#X obj 40 83 metro 33.3667;
+#X obj 78 197 t a;
+#X obj 136 287 #convolve \, seed 4;
+#X obj 352 95 loadbang;
+#X text 13 239 feedback loop;
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+#X text 13 488 GridFlow 0.8.0;
+#X text 13 488 GridFlow 0.8.0;
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+#X text 20 18 Copyright 2002 Mathieu Bouchard;
+#X text 20 5 convolve.pd;
+#X text 526 282 Laplacian masks;
+#X text 416 352 Sharpen;
+#X text 527 107 Blurs;
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+#X text 420 170 Simple edge detection;
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