Plan 9 from Bell Labs’s /usr/web/sources/contrib/ericvh/go-plan9/test/bench/k-nucleotide.txt
T 31.520 A 29.600 C 19.480 G 19.400 AT 9.922 TT 9.602 TA 9.402 AA 8.402 GA 6.321 TC 6.301 TG 6.201 GT 6.041 CT 5.961 AG 5.841 CA 5.461 AC 5.441 CC 4.041 CG 4.021 GC 3.701 GG 3.341 54 GGT 24 GGTA 4 GGTATT 0 GGTATTTTAATT 0 GGTATTTTAATTTATAGT