	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P	Q	R	S	T	U	V	W	X	Y	Z	AA	AB	AC	AD	AE	AF	AG	AH	AI	AJ	AK	AL	AM	AN	AO	AP	AQ	AR	AS	AT	AU	AV	AW	AX	AY	AZ	BA	BB	BC	BD	BE	BF	BG	BH	BI	BJ	BK	BL	BM
1		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	59	60	61	62	63	64
2	1	x	x			x												x
3	2	x	x	x			x												x
4	3		x	x	x			x												x
5	4			x	x				x												x
6	5	x				x	x			x												x
7	6		x			x	x	x			x												x
8	7			x			x	x	x			x												x
9	8				x			x	x				x												x
10	9					x				x	x			x												x
11	10						x			x	x	x			x												x
12	11							x			x	x	x			x												x
13	12								x			x	x				x												x
14	13									x				x	x															x
15	14										x			x	x	x															x
16	15											x			x	x	x															x
17	16												x			x	x																x
18	17	x																x	x			x												x
19	18		x															x	x	x			x												x
20	19			x															x	x	x			x												x
21	20				x															x	x				x												x
22	21					x												x				x	x			x												x
23	22						x												x			x	x	x			x												x
24	23							x												x			x	x	x			x												x
25	24								x												x			x	x				x												x
26	25									x												x				x	x			x												x
27	26										x												x			x	x	x			x												x
28	27											x												x			x	x	x			x												x
29	28												x												x			x	x				x												x
30	29													x												x				x	x															x
31	30														x												x			x	x	x															x
32	31															x												x			x	x	x															x
33	32																x												x			x	x																x
34	33																	x																x	x			x												x
35	34																		x															x	x	x			x												x
36	35																			x															x	x	x			x												x
37	36																				x															x	x				x												x
38	37																					x												x				x	x			x												x
39	38																						x												x			x	x	x			x												x
40	39																							x												x			x	x	x			x												x
41	40																								x												x			x	x				x												x
42	41																									x												x				x	x			x												x
43	42																										x												x			x	x	x			x												x
44	43																											x												x			x	x	x			x												x
45	44																												x												x			x	x				x												x
46	45																													x												x				x	x															x
47	46																														x												x			x	x	x															x
48	47																															x												x			x	x	x															x
49	48																																x												x			x	x																x
50	49																																	x																x	x			x
51	50																																		x															x	x	x			x
52	51																																			x															x	x	x			x
53	52																																				x															x	x				x
54	53																																					x												x				x	x			x
55	54																																						x												x			x	x	x			x
56	55																																							x												x			x	x	x			x
57	56																																								x												x			x	x				x
58	57																																									x												x				x	x			x
59	58																																										x												x			x	x	x			x
60	59																																											x												x			x	x	x			x
61	60																																												x												x			x	x				x
62	61																																													x												x				x	x
63	62																																														x												x			x	x	x
64	63																																															x												x			x	x	x
65	64																																																x												x			x	x