Size of muzzle: 30 9 B3.5 R1 1 17 24 R4 5 B0 OB3 R2 12 2 27 7 B2 0 15 22 3 R3.5 4 B4 OB1 10 18 25 6 B0.5 D2 J1 OB4 13 20 28 R2L 3.5 8 B3 R0 16 23 R3L 4L D1 OB2 R1L 11 19 26 6L B1 BT D3 J2 14 21 29 R3