表格开始
.2..1....2......1........2..........1............2..............1
.1..3....4......7........9.........13...........16.............21
.2..4...19.....27......115........122..........467............433
.1..7...27....121......483.......1751.........5694..........16870
.2..9..115..483..7148..24779..295813..804538
.1.13..122...1751....24779.....326650......3826202.......39589830
.2.16..467...5694...295813....3826202....175765510.....1819250859
.1.21..433..16870...804538...39589830...1819250859....74872992399
.2.25.1461..46014..7711613..364013320..65629320845..2730227923892
.1.31.1208.116842.17135660.3005372641.534428405524.88478723671041
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