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# fsm.py - http://www.graphviz.org/content/fsm

from graphviz import Digraph

f = Digraph('finite_state_machine', filename='fsm.gv')
f.attr(rankdir='LR', size='8,5')

f.attr('node', shape='doublecircle')
f.node('LR_0')
f.node('LR_3')
f.node('LR_4')
f.node('LR_8')

f.attr('node', shape='circle')
f.edge('LR_0', 'LR_2', label='SS(B)')
f.edge('LR_0', 'LR_1', label='SS(S)')
f.edge('LR_1', 'LR_3', label='S($end)')
f.edge('LR_2', 'LR_6', label='SS(b)')
f.edge('LR_2', 'LR_5', label='SS(a)')
f.edge('LR_2', 'LR_4', label='S(A)')
f.edge('LR_5', 'LR_7', label='S(b)')
f.edge('LR_5', 'LR_5', label='S(a)')
f.edge('LR_6', 'LR_6', label='S(b)')
f.edge('LR_6', 'LR_5', label='S(a)')
f.edge('LR_7', 'LR_8', label='S(b)')
f.edge('LR_7', 'LR_5', label='S(a)')
f.edge('LR_8', 'LR_6', label='S(b)')
f.edge('LR_8', 'LR_5', label='S(a)')