301: +1234567890123456789012345678901234567890
1234567890123456789012345678901234567890
1234567890123456789012345678901234567890
1234567890123456789012345678901234567890
1234567890123456789012345678901234567890
1234567890123456789012345678901234567890
1234567890123456789012345678901234567890
12345678901234567890
Benchmark:
running best, clean, new, org , each for at least 10 CPU seconds

...
      s/iter   org   new clean  best
org     5.82    --  -77%  -94%  -94%
new     1.31  344%    --  -73%  -73%
clean  0.352 1555%  273%    --   -1%
best   0.349 1569%  276%    1%    --
The results are the same