I will begin using this alphabet in later picrosses.Numbers would've made the picross too difficult, so I excluded them.
Row 1:
1, 5, 10-11, 13-14, 17-19, 21-22
Row 5:
1-3, 5, 7, 9, 11, 13-14, 17, 23
Row 17:
1, 3, 5-6.