1408 / 1409
A
1
1 2 3
A C B D
a b c 2 3 1 4 2 3 1 4
B
1 2
2 3 1 4 3 2 1 4
a b e b d c a f e g
A B C B A C
021M1A0104( )Apr/10 SINGER 1408/1409(M10A /M20A)