Y \ X
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
12010
12009
12008
12007
12006
12005
12004
12003
12002
12001
12000
11999
11998
11997
11996
11995
11994
11993
11992
11991
11990