Table 1. Key to the model.

State	Strand type	Colour	Strand length	Replication rate	Mutation probability
0	Vacancy	White	-	-	-
1	Polymerase	Red	Lpol	kpol	Mpol
2	Complement to Polymerase	Orange	Lpol	kpol	Mpol
3	Mutant Polymerase	Black	Lpol	kpol	-
4	Synthetase	Blue	Lsyn	ksyn	Msyn
5	Complement to Synthetase	Light Blue	Lsyn	ksyn	Msyn
6	Mutant Synthetase	Green	Lsyn	ksyn	-