$ test.pl 20
ok 1 - v1
ok 2 - v2
ok 3 - v3
ok 4 - v4
ok 5 - v5
ok 6 - v6
ok 7 - v7
ok 8 - v8
   20   6 CCCCCC
   20   4 GGGG
   20   3 AAA
   60   3 TTT
   40   2 AA
   40   2 GG
  100   2 TT
     Rate   v2   v1   v7   v3   v4   v5   v6   v8
v2 2327/s   -- -29% -47% -52% -55% -57% -61% -65%
v1 3284/s  41%   -- -26% -32% -37% -39% -45% -50%
v7 4419/s  90%  35%   --  -9% -15% -17% -26% -33%
v3 4853/s 109%  48%  10%   --  -7%  -9% -18% -27%
v4 5215/s 124%  59%  18%   7%   --  -3% -12% -21%
v5 5351/s 130%  63%  21%  10%   3%   -- -10% -19%
v6 5934/s 155%  81%  34%  22%  14%  11%   -- -10%
v8 6604/s 184% 101%  49%  36%  27%  23%  11%   --
1..8