0 -- ''
31 -- ''hello' '   hello' % 'hello   ''
12 -- 'X he-Y-llo Z'
22 -- 'hello 0x000007D8 world'
5 -- '   +7'
12 -- '   -9<hello>'
3 -- '7  '
56 -- '314159.2653589000 3.141592653589000E+5 314159.2653589000'
40 -- '-0.0003141592 -3.141592E-4 -0.0003141592'
