Where can I find - 1.6 global offensive

Be careful until the guard changes. I unrolled the tissue as soon as I was alone. It was covered with these figures- 21-24-6-13-23-6 21-16-15-10-8-9-21 4-6-13-13 5-16-16-19 22-15-13-16-4-12-6-5 13-10-7-21 1.6 global offensive 24-10-15-5-16-24 10-15 4-16-19-19-10-5-16-19 3-2-4-12 21-16 24-2-13-13 8-16 19-10-8-9-21 21-16 19-16-2-5 13-6-7-21 200 17-2-4-6-20 21-16 17-2-21-9 13-6-7-21 21-16 19-10-23-6-19 19-10-8-9-21 21-24-6-15-21-26 21-16 21-9-10-4-12-6-21. I made 1.6 global offensive the reading, shortly, as follows- "Twelve to-night cell door unlocked. Lift small window in corridor. Back to wall go right to road. Left two hundred paces to path.