Y \ X
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
2280
2279
2278
2277
2276
2275
2274
2273
2272
2271
2270
2269
2268
2267
2266
2265
2264
2263
2262
2261
2260