1B 2A 3D 4B 5A 6A 7D 8C 9D 10C 11C 12B 13A 14C 15B 16A 17B 18A 19C
1.B2.A3.D4.B5.A6.A7.D8.C9.D10.C11.C12.B13.A14.C15.B16.A17.B18.A19.C