Y \ X
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
8900
8899
8898
8897
8896
8895
8894
8893
8892
8891
8890
8889
8888
8887
8886
8885
8884
8883
8882
8881
8880