#N canvas 0 22 454 304 10;
#X obj 60 32 inlet;
#X obj 65 203 outlet;
#X obj 62 98 t a a;
#X obj 63 161 - 0;
#X text 123 76 output difference between this and the last;
#X connect 0 0 2 0;
#X connect 2 0 3 1;
#X connect 2 1 3 0;
#X connect 3 0 1 0;
