Fig.1B 165mm Ø 2 mm 1B Ø 3 mm 2B Ø 3.3 mm 3B Ø 4 mm 4B Ø 5 mm 5B Ø 2mm 1BCC Ø 3mm 2BCC Ø 3.3 mm 3BCC Ø 4 mm 4BCC Ø 5 mm 5BCC