a)
2214-U
2268-O

2323-2-3G
b)
2260-O
2262-O
2270-2-3 G

2125-2-3G
2130-O
2190-2-3G

2984-O
2020-U
2025-1

1950-NG
579-O

529-U
531-O
578-O

1843-1
527-O

a)
1757-2
1777-O
b)
1783-O
1799-1
1820 2-3 G