#   Failed test 'test mixed digit string'
#   at t/P.t line 109.
# Looks like you failed 1 test of 27.
t/P.t .. 
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/27 subtests 

Test Summary Report
-------------------
t/P.t (Wstat: 256 Tests: 27 Failed: 1)
  Failed test:  27
  Non-zero exit status: 1
Files=1, Tests=27,  0 wallclock secs ( 0.02 usr  0.01 sys +  0.58 cusr  0.14 csys =  0.75 CPU)
Result: FAIL
Failed 1/1 test programs. 1/27 subtests failed.