//Parameters for the coalescence simulation program : simcoal.exe
1 samples
//Population effective sizes (number of genes 2*diploids)
?pop_size
//Samples sizes (number of genes 2*diploids)
?sample_size
//Growth rates	: negative growth implies population expansion
0
//Number of migration matrices : 0 implies no migration between demes
0
//historical event: time, source, sink, migrants, new deme size, new growth rate, migration matrix index
2 historical events
?t2 0 0 1 1 0 1
?t1 0 0 1 1 ?r 1