1 2 4 6 3 5 5 6 7 11 11 8 9 10 10 A *20 φ6X35 B X20 φ15X12 C X16 D φ7.
STEP:1 A A A A 2 A A A A A A A A A A A A A A 5 4 3 X2 A *20 φ6X35 STEP:2 D D D 2 C C 1 D E D D 9 C C C X4 φ7.
STEP:3 B B 2 B C 5 C 5 B B X4 φ15X12 C X2 φ7.8X30 STEP:4 B C 2 5 B B C B 5 B X4 φ15X12 C X2 φ7.
STEP:5 B B C B 2 5 C B 5 B X4 φ15X12 C X2 φ7.8X30 STEP:6 B C B B C B B X4 φ15X12 C X2 φ7.
STEP:7 D D C D D D D D D C X4 φ7.
STEP:9 G G F G F *1 G M6*35mm *2 M6*40mm STEP:10 D D D 9 X3 D φ7X47
STEP:11 G F 9 G D D D D X3 φ7X47 STEP:12 9 F *1 M6*35mm G *2 M6*40mm
STEP:13 B B B X4 φ15X12 STEP:14