Ultra 9x9 in 11x11 magic square (1)

Take a ultra magic 9x9 square and add 20 to all numbers, so in the 9x9 inlay are the 81 middle numbers from 21 up to 101.

In the border are the 20 lowest (1 up to 20) and the 20 highest (102 up to 121) numbers. Read the explanation on webpage 3x3 in 5x5 & concentric, how to construct the border.

See in the download below how the 11x11 border has been constructed or use the download to puzzle your own border.

The result is:

Ultra 9x9 in 11x11 magic square

13	20	17	16	12	113	114	117	118	120	11
115	21	88	74	26	90	67	28	86	69	7
116	64	41	78	57	43	83	62	45	76	6
119	98	54	31	100	50	33	93	52	38	3
121	66	25	92	71	27	85	73	23	87	1
19	82	59	42	75	61	47	80	63	40	103
18	35	99	49	37	95	51	30	97	56	104
15	84	70	29	89	72	22	91	68	24	107
14	46	77	60	39	79	65	44	81	58	108
10	53	36	94	55	32	96	48	34	101	112
111	102	105	106	110	9	8	5	4	2	109

You can use this method to construct magic squares of odd order from 5x5 to infinity. See on this website 5x5, 7x7, 9x9, 11x11, 13x13, 15x15, 17x17, 19x19, 21x21, 23x23, 25x25, 27x27, 29x29 & 31x31

11x11, ultra 9x9 in 11x11 (1).xls

Microsoft Excel werkblad 44.5 KB

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11x11 magic square