Y \ X
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
9660
9659
9658
9657
9656
9655
9654
9653
9652
9651
9650
9649
9648
9647
9646
9645
9644
9643
9642
9641
9640