A 1 2 3 4 5 6 3 2 4 6 5 2 2 2 2 2 2 TU-34-18",24,30,36 A 6 4 2 1 B B 5 69.9mm 2.8in 3 60.7mm 2.4in C C 68.4mm 2.7in 168mm 6.