//European Example. The causal set for Level 1.
//Please view in a non-proportional font such as Lucida Console. 

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THE CAUSAL SET   33 elements, 55 precedence relations.
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S = {2,8,3,7,0,6,5,4,1,9,10,11,13,14,12,15,16,17,18,19,22,20,21,23,24,25,28,26,27,30,29,31,32}
O = {2<8,3<7,0<6,0<5,0<4,5<9,4<9,1<9,2<10,3<10,0<10,8<10,7<10,6<10,5<11,9<11,10<11,4<13,9<13,10<13,
     1<14,9<14,10<14,11<12,13<15,14<16,12<17,15<17,16<17,12<18,17<18,15<19,17<19,16<22,17<22,18<20,
     19<21,22<23,20<24,21<24,23<24,20<25,24<25,21<28,24<28,23<26,24<26,25<27,28<30,26<29,27<31,30<31,
     29<31,29<32,31<32}.
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