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12 53
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d
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5 15
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abcababcabcdabcabcdabcabcabcdeabcaababcdabcabcdeaabaababcdeabcabcdabab
abcdeabcdeabcdeabcdeabcaabcdabcdeabcabaababcdeabcdeaabcdabcdaababcdeab
cdaabcdeababcdaabcaababcdabcdabcaabcababcabcdabcdeabcdabcaaabcdabaabcd
eabaababcabcdeababcdabcdeabcababaabcdabcdeaabcdababcababcdeabababaabcd
abcdaabcdaabcabcdeababcdabcdabcdeabcabcdeabcdeababcdeabcaababcabcdeaba
ababcdeabcdabcaabcdeabcdabcabcdeabcabcdaabcdeabcabaaabcdeababcdababcab
aabcdeababababcdabcdeabcdeabaabcabcdabcdabcdeabcdeaabcdabaaabcabcdabca
bcabcdabcdababcdabcdeabcdaababcdabcdabcdeababcdabcdeabcabcdeabaaabcdea
babcdeaabaabcabcabcaababababcdeabcdeabcdeababcdababcabcdabcabcdeabcdea
abcdabcdeaababaababc
9 91
d
c
d
d
h
h
h
c
t
cddcccccccthdthchdchcthcccd
hhtdctdcchcdhccdcccctddchd
cttcdddthhtcdtcddhhcchhcccthddcdcdhdtcdhdcttcddccchcdcdddthtdtcdchhttcdccc
cddhhtccthctchttccchd
hccdhchtchhccccchcdccdccccchddcthccccttdddththcchtdcdhchdcdcdctcdhchhchthhddcthcht
ccdtttttddcdhdcthdcd
chchtcchccdttdttdhtcctctccdthddtthchthdhhdhdcdthchcccdcdhhccthchccdhttdcdchddhhhccc
dddtchccdttccchcthdchhtcccctccchhcddthtdhthchchdcchhdddhhhctdchccchctchhccchhcccdct
ccdcttdccttcthhchtctthcctddctcchcctccddccchctctdccddhthhdctcdhhhthdcctddccctccccchttchchdchchdchchtc
hccdchdchhhtcctctccctctdhctdchhthcdthdcdctdctc
dccchcdhcccchctthhtcdcdhhcctdctddcdhttdcccddcdcthchchchcdhtdttctchhthcctch
cchhtdhhhcdcctccddchct
cthtcdctcdttttcdcdhdthddchctcdhcddcdtdchhcddhcththchdtccdccdhhhcctchtdddcttccttcdcddchhcdt
hcdcttccdthc
dcdcctctdccttthdccdhtccttccthhccddcdt
ccdhcddcccctdttdththhtddtdtchcthcdcdtccccdtdttttdhdchtccccctccddhcdhhhhcccdccchctchchtcttdhchtcccht
tdhtdccctctctctctdchchcdctdhcchth
cttctcccccdctdtcchdchcchchhdthhccdcchthtcccctcc
ccttcdtchhcchdthhddtcchcdtccccdddtdcdddctdd
dcthhdcccdhcccdchcccdcdhttcchcdtcdhddthhddchtcddctdhcttctcccc
hcchhhchdhctthctctccddccdc
tddcdhchctcdhhchhcdthddtdtcdtht
htthcdttttccdcdchhhcccttch
chhddcddctccttcccdcthtccchctdhccdthhtc
ccthtthtthtcdhttthchhddchddccddcddtccctcthcdcttthtdddtchddcdccdhhdhdhdhhch
tdhhcdhttcdtttcdcdhdhdtctchcctctcthccdccchdccthdtdchdctddhtcdttthccchchttchccchcdthchddcccc
hchcctcddccctchcccdcdcchcthhhttdthdchdchtcthcdc
cdhdhctchdcdctchchtdcchcchtccchcdchcdccchchtthdccccddcccttdttcccdhdctttdtdcdcthchtdchddhdccdc
dttccdctdhhtccddctccchcttcttddtttthcdtctccccdttthchhdtdccdcddccchtd
chcdtdttchtddhccccchthtcctdddchhdtcdccdchtthhctthchdchtddthtccctcctdtdthdcdcdtcct
hhctccccttdcctddttdcttdccdcccctthctcdtcdtthchcdhchhddchththttddhdchh
cccctdcchcccchtdhhdccctchcttchddtdchcdccthhtdhd
tcdthhhtthhhtdcdcttddthhhdccdthccccdctcchhchcchtcddddcchcdttcdcccdhhdcchhccdcccdchdhthdchcccdccttc
htthddhttcdcdhctchcctthhcccccdchccdtcchcc
ccctcchhdccdhtcdcchdh
ctchhhcctdctthhhdccdhcchchchchccchttccthdh
hcdcttcdcthdcc
tdttccccdchtchhddthtcctdhctcccdchcctddhthdchctcctdcdhhcctthcccchcccthtccdhhhhdtcchhhdhccchtdtch
cctcthdtccctdhchtccddchhd
dhdddchdctctc
htcthhhcddctchdtctctdhchdhhchddcdcctcctc
hhttddhhctcdhchchddcddhttchtccctthhdcctcctdcccccdhcc
ctdccctcdttddhdccdddctdhchccchcdctcchctcctccctdcctchdtchchtctttchccccccchdccchc
dhhcccddctchhcdtdcctdcchtdtthhcctdcchdhtcddchttccchcchtchdtdchcccdtttdtctdccdcdctcd
cddhcchhhdcthchhchhthcctctcdhdctthdcchhcchthtccdthddthc
chcddhdtchddcccccdchccctchdcchccdccdttdchtcthdtttddthhhdchdcdhdtctdcdt
tcccdcddtccdtdcdtccddtcdccdtctccdhcctcdtccdc
hhtddhcchcdccddhctcthdcdtcdcdtdcdthchhhdt
ccctdttccttcddch
tcchhcchttdhhddtdhdthccdcctdtcchccdddtcdt
ccdddctcdthhccthtcdccctctchhchcchhtthtcchtcccdhchchtdhcdtdtccccthctcdtcctttdddhcccctttctcthdt
tdhcthdthchhccchdcctchdchcddctdtc
cdchctccdtdcchhcthddcccthhtccdcccchcccchthccdtctctcccccdhhhhcc
hcccdddhcctcddchcc
dctcdchchdhtddchtcccchhc
hccchddttdccctchctchtddhtthddchtthchtthhtthcthtcdctdcdtcddhhhtdhhtthhhchchttcchtdhctttdcc
ctccdchccdhhddtccddccctcccctttcctcctdtchcccdccdcdhhthhdttdhtdt
htcttchcccccddhhtccdhcccthhhdhdchtchctchdctthdhdctccctcththchc
tdhcchdtdtcttddcctchthdchchtcdccdhttcdhhddhcchdchchctcdhdcddccttcthcccchdthdhchccc
ccchcdctchctdhcctdccthtdchhdhddtdtctcdcccdtdccdhhcthhtcdccchtdcdcctchcdhhccddhchtc
cchcthdtcccchhddtctttccchccccccddtdcdtcdchtdtcchcdhhhhhdtcdcttddchcthhcdttchtccchhhdccccchccctcd
hddtccctcddchdcccchdcchdcccccctchtchcdcdthddcdhch
ttcchcchccddchcthhcctdccthdtt
chtcdcddccthhccccccctdddhhctcctdthcctttcchdctthccctchccccctcctcchhcddthhcccccctthhtdccdcddctd
hhcdhhchcctdcdchdtcctdcdtccchddtccctctdcccc
dddttdccchctcddccttcccttttdccddhcthccdcccdcdcdthdctddhddhdctchctctcddtdccchthchhddcctcchhdctcd
tccdccchdhtchcddtcdthdctctccdchccdtctccdhdhchhcdttdddcddctdhtchchdchddcccdchchcchccchhctc
hcttttcdchthctdttccdcctdcccddchccdhcdhctdchthch
dthccccddhhcchhtdcdhtcthdhcccchtctccchhtccdcdcctchdctcdchdcchhtdhtdthtctcttdcccccdtcdccc
hccdhctccchdt
cdttcctcchdtd
hdhdhdtccdcdcchchdccdtcdhcdcdctcdhtccchhtcccctccdchtctcccdhhtctctcchhhcdhhcdhddcc
ccccchchccccdhcttt
hdccttddddchhccccdcctccchttttccdtdctchchctttc
cdchhhdchhthchchctdcctcdct
hchccthccdtdhhtdcccchtccct
cdccccchcchtch
cctthtdhtcthcttctdhchctttctchctccththcdhddcddhttchctcttchdddh
tdctctccdcdcthchdcthctchhcccctdccdcccdchchdcddhddhchhccdhh
ctdhcdcchdhchttccthhdcdhccctchhcchcdcchcctcctccdcccddccddcdhdhctdccttdtcdcc
ccchtcdchtccddchccttddtcdcchhctchccddtdcthhcctctcdtdchthcccthcdtctchthchchtcchccctdccdtcccht
cctdchctdddcc
dddcddddcthdhdtccdcdchdtcdtdccchttdccttdccdcdchhttchchhcchcct
httdccdtdtchcccc
ctchctttccchhdccdccdttcdhdchtdcddcchhthtcthddchthcchthcccdthctcdccctchhcdth
tttthchdhdthcdhtddtthtccthtcctdcdddcdccctctccdctctdctddthchthchcdccchhtdhhc
ctctttcctdhcchcccctdhctthchttccttdttcthhcccdcchccctccctddcddchccccttthhchhhhtthctdcctchddcthtct
dtcdtcchhtdthcdtctcccchhdhccdddtdtdctdhcdctccdcddcdtctchddhttcdtcctdchhhthdcchcddhthhcdcdch
dcccccchdtchdccdcthcdccchdhdcdcdddchhdttcchdctcctcdtdtccccdchhccchtdctdctcttcdcctctcthdtth
chcdtcchhccchcdcthdttccchhcchchthhcdtcc
ddhtthcthtcchhcccccdhctctdcdcddthchdccctthchccdhc
12 64
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11 40
vu
vu
uu
uu
vu
uu
vu
uv
vv
vu
uu
uvuuvvvvvvvvvvvuuvuuvuuvvvvvvuvuvvuvvvuuvvvuuuuuvv
vuvvuvuvuvvvvvvuuuvuuuuvvuuvvvuuuuvuvvvvuvvuuuuuuv
uuuuvvvvuuvvuvvvvuuuvuvuuvuuvuuuuuuuvvvvvuuvvvuuvu
vvvuvvuuuvuuvvuuvvvuuvvvuuuvvuvuvuuuuuuuuvuvuuvvvv
vvuuuuvvvuvvuuvuuvvvvvuvuuvuvuvuuvvuvuvvuuuuuvuvvv
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uuuvvuuuvuuuuvvuvvuvuvvvvvvuuvuuvuvvuvvuvuuvvvvuuv
uuuvvuvuuvvuvvuvuvuvvuvvvuuvvuuvuvuvvvvvuuuuvuvvvv
vuvuvvvvuuvuvvvvuuvvuvuuvvuuvuuuuvuuuvvuvvvuuuuvvv
uvuuvuuvuvvuvuuvuuvvvuuuvvuvuvuuuuvvuvvvuuvvuvuuuv
uvuuvvvvuvvuuvuvvvuuuuuvvvvvvvvvuvuvuvuuvvuvvuuuvu
uvuuvvvuuvvvuvuuuuuuuvuuuvvuvuuvuuvvvvvvuuvuvvvvuv
vuuvvuuuuvuuuuuuvvvuuvuvvvvuuvvuvvvuvuuvvvvuvvuvuv
vvuuuvvvuuuvuuvvuuvvuvuvvvvvuvuuuuuvvvuvvvvvvuvvuu
uuvuuuuvvuuvuvvuuvuuuvvvvuvuuuuuuuvuuvvuvuvuvvuvuu
vuuvuvvvvvvvuuvvuuuuuvuvvvuuuuuvvuuvvuuuvuuvuvuuvu
uvuuvvvvvvuuvvuvuuvuuvuuuuuvvvvvvvuuvvvuvvuuuvvuvv
vvuvuuuuvvvvuuuuuvuuuvvuvuvuuuvvuvvuuvuvuvuuuvvuuv
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vuuvuvuuuvvvvuuuuuuuvuuvvvvvuuvvuvuvuuvvuvuvvvvvvv
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vuvuuuuvuvvuuvuuvuuuvvuuuuuuuuuvvvuvuuvuuuuuvuvvuv
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12 332
wxyz
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12 64
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