FIELD        F0      F1 F2 F3 F4 F5 F6 F7 F8 F9
abcdefg      abcdefg a  b  c  d  e  f  g  -  -
abcdefgh     abcdefg a  b  c  d  e  f  g  -  -
abcdefghi    abcdefg a  b  c  d  e  f  g  -  -
abcdefghij   abcdefg a  b  c  d  e  f  g  -  -
abcdefghijk  abcdefg a  b  c  d  e  f  g  -  -
abcdefghijkl abcdefg a  b  c  d  e  f  g  -  -
