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idx1oddSum0item
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ECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECByxcQFpoRMBzwAAAABJRU5ErkJggg==
step23
step4
12
100
127,7,2,4,3
0,7,8,7,4,2,0,4,0,3,7,0
07874204037019235780