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162 (七五b) |
161 (七五a) |
164 (七六b) |
163 (七六a) |
166 (七七b) |
165 (七七a) |
168 (七八b) |
167 (七八a) |
170 (七九b) |
169 (七九a) |
Song Yingxing, Tian gong kai wu, 1637
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