Pan 19x19 in 21x21 magic square (1)

Take a panmagic 19x19 square and add 40 to all numbers, so in the 19x19 inlay are the 361 middle numbers from 41 up to 401.

In the border are the 40 lowest (1 up to 40) and the 40 highest (402 up to 441) numbers. Read the explanation on webpage 3x3 in 5x5 & concentric, how to construct the border.

See in the download below how the 21x21 border has been constructed or use the download to puzzle your own border.

The result is:

Pan 19x19 in 21x21 magic square

20	40	37	34	32	31	30	29	27	24	423	424	427	428	431	432	435	436	439	440	22
403	41	363	308	271	234	197	160	123	86	391	373	336	299	262	225	188	151	114	77	39
404	399	381	326	306	251	214	177	140	103	66	48	353	316	279	242	205	168	131	94	38
406	74	56	361	324	269	249	194	157	120	83	388	370	333	296	259	222	185	148	111	36
407	91	396	378	341	304	267	212	192	137	100	63	45	350	313	276	239	202	165	128	35
409	108	71	53	358	321	284	247	210	155	135	80	385	367	330	293	256	219	182	145	33
414	125	88	393	375	338	301	264	227	190	153	98	78	42	347	310	273	236	199	162	28
416	142	105	68	50	355	318	281	244	207	170	133	96	383	382	327	290	253	216	179	26
417	159	122	85	390	372	335	298	261	224	187	150	113	76	58	345	325	270	233	196	25
419	176	139	102	65	47	352	315	278	241	204	167	130	93	398	380	343	288	268	213	23
421	211	156	119	82	387	369	332	295	258	221	184	147	110	73	55	360	323	286	231	21
17	229	174	154	99	62	44	349	312	275	238	201	164	127	90	395	377	340	303	266	425
16	246	209	172	117	97	384	366	329	292	255	218	181	144	107	70	52	357	320	283	426
13	263	226	189	152	115	60	59	346	309	272	235	198	161	124	87	392	374	337	300	429
12	280	243	206	169	132	95	400	364	344	289	252	215	178	141	104	67	49	354	317	430
9	297	260	223	186	149	112	75	57	362	307	287	232	195	158	121	84	389	371	334	433
8	314	277	240	203	166	129	92	397	379	342	305	250	230	175	138	101	64	46	351	434
5	331	294	257	220	183	146	109	72	54	359	322	285	248	193	173	118	81	386	368	437
4	348	311	274	237	200	163	126	89	394	376	339	302	265	228	191	136	116	61	43	438
1	365	328	291	254	217	180	143	106	69	51	356	319	282	245	208	171	134	79	401	441
420	402	405	408	410	411	412	413	415	418	19	18	15	14	11	10	7	6	3	2	422

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

21x21, pan 19x19 in 21x21 (1).xls

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21x21 magic square