{ Petri net generated by APT for net exercise 3.5 net } PLACE s0, s1, s1p, s2, s2p, s3, s3p, s4, s4p, s5, s5p, s6, s6p; MARKING s0 : 2, s1 : 1, s1p : 1, s6 : 1, s6p : 1; TRANSITION t1 CONSUME s5 : 1, s1 : 1; PRODUCE s5 : 1, s3 : 1, s2 : 1; TRANSITION t1p CONSUME s5p : 1, s1p : 1; PRODUCE s3p : 1, s2p : 1, s5p : 1; TRANSITION t2 CONSUME s2 : 1; PRODUCE s4 : 1; TRANSITION t2p CONSUME s2p : 1; PRODUCE s4p : 1; TRANSITION t3 CONSUME s3 : 1; PRODUCE s4 : 1; TRANSITION t3p CONSUME s3p : 1; PRODUCE s4p : 1; TRANSITION t4 CONSUME s4 : 1, s6 : 1; PRODUCE s1 : 1, s6 : 1; TRANSITION t4p CONSUME s6p : 1, s4p : 1; PRODUCE s1p : 1, s6p : 1; TRANSITION t5 CONSUME s5 : 1; PRODUCE s6 : 1; TRANSITION t5p CONSUME s5p : 1; PRODUCE s6p : 1; TRANSITION t6 CONSUME s1p : 1, s6 : 1; PRODUCE s5 : 1; TRANSITION t6p CONSUME s6p : 1, s0 : 1; PRODUCE s5p : 1;