OBX Open All Pro,Ma1 and Ma40 Layout: 1 R-Y, 2 Y-Y, 3 Y-Y, 4 R-R, 5 R-R, 6 R-Y, 7 R-Y, 8 R-Y, 9 R-R, 10 R-R, 11 R-R, 12 Y-R, 13 R-R, 14 Y-R, 15 Y-Y, 16 Y-Y, 17 R-R, 18 R-R