hard

-18 1i 18 1i,4e 4b 4v 5f 5t 6t 7h 8b 93 92 am 9d cm 98 ed 8s fs 8f,vi eb 109 ff 119 gn 12h hp 140 ig 15f ir 16s ir 186 ik,1ej n9 1fa om 1gb q8 1hd rk 1io t2 1kb ui 1m2 101 1ns 11e 1po 12n 1rl 13r 1tj 14q 1vh 15k 21d 168 238 16p 250 175 26m 17e 28b 17j 29u 17l 2bp 17j 2db 17c 2el 176,2pu 18s 2qq 19n 2ru 1ag 2t7 1b2 2ug 1ba 2vr 1b4 310 1ao 31v 1a7 32o 19e,38c 18j 38r 19s 39p 1bg 3b0 1d9 3c1 1eh 3dh 1g4 3eq 1hb 3g6 1ig 3hl 1jl 3j5 1kn 3km 1ln 3m7 1mk 3no 1nf 3p8 1o7 3qo 1or 3so 1pj 3un 1q3 40l 1qg 42h 1qo 44b 1qr 464 1qr 47l 1qj 48t 1q9,4jl 1jp 4kj 1k1 4ll 1k2 4ms 1jp 4o2 1j7 4pd 1ic 4qi 1hi 4rn 1gi 4ss 1fg 4u1 1ea 4v6 1d2 50a 1bo 51d 1ad 52c 191 534 17j 53i 16b,4ue 116 4v2 120 4vr 12g 50p 12h,549 12c 551 131 564 134 577 12n 58e 11s,48s 1q8 4ae 1pf 4c3 1nt 4dd 1mg 4ee 1l8##