Y \ X
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
9260
9259
9258
9257
9256
9255
9254
9253
9252
9251
9250
9249
9248
9247
9246
9245
9244
9243
9242
9241
9240