AOJ 1069 Squid Multiplication

Solved Users (link to submissions)
aizu_f
akaza_akari
aquasky
bal4u
beet
blue_jam
bobo
bontakun
cgy4ever
cos
darsein
E869120
ee67052
eha
elfen00
flowlight
footman
fujixx
fura2
hadrori
hakomo
hasi_t
hime
hirosegolf
hogloid
Houraisan_Kaguya
hoyohoyo000
hyon
ichyo
ikk
iponsugar
Isa_rentacs
ishikado
iwiwi
ixmel
kioa
kohyatoh
komiya
kusano
kyuridenamida
k_operafan
laycurse
logicmachine
lyoz
lyrically
mamekin
maoyujuan
mitaki28
moon_watcher
mtuk
namonakiaccount
naoto172
natsugiri
navi
nel215
nomeaning
not
novemura
nwin
nz
okaduki1
orpheus
paruki
paunchy
pes
plusplusw
rabbit_TR
rabelice
rankalee
Respect2D
Return_ZUKKY
rng_58
roiti
ryoga
s1140147
s1150092
s1180007
shimasuzu
shot
sinapusu2002
slip0110
sune2
takapt0226
tktktk
tmt514
tnakao
tomerunn_
touyou
tozangezan
trinitrotoluene
ty70
UKUNICHIA
ustimaw
uwi
vjudge1
vjudge2
vjudge3
vjudge4
vjudge5
wata
wiw
wotsushi
yasu0207
yayoi
yohta
yuki
yukim
yuta1024
zukky