Note

All.txt consists of 

Haddrath et al. [2012]'s data (34 species: 1st codon positions 3296bp, 2nd codon positions 3296bp, 3rd codon positions 3296bp).
Harshman et al. [2008]'s data (27 species: 1st codon positions 2120bp, 2nd codon positions 2120bp, 3rd codon positions 2120bp, intron 20415bp)
Smith et al. [2013]'s data (12 species: intron 25131bp)
mtgenome (39species:  1st codon positions 3788bp, 2nd codon positions 3788bp, 3rd codon positions 3788bp, RNAs 4621bp)
Baker et al. [2014]'s data (11sp:  1st codon positions 265165bp, 2nd odon positions 265165bp, 3rd odon positions 265165bp)