Construct a row grid and a column grid. Use the middle numbers from 1 up to19 to produce the 19x19 inlay with the shiftmethod. Puzzle the border.
1x number from row grid +1
10 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 0 |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
0 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 20 |
0 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 20 |
0 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 20 |
0 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 20 |
20 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 0 |
20 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 0 |
20 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 0 |
20 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 0 |
20 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 0 |
20 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 0 |
20 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 0 |
20 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 0 |
0 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 20 |
0 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 20 |
0 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 20 |
0 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 20 |
0 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 20 |
20 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 0 |
20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | 10 |
+21x number from column grid
0 | 0 | 0 | 0 | 0 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 0 | 0 | 0 | 0 | 0 | 10 |
1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 19 |
2 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
3 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 17 |
4 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 16 |
5 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 15 |
6 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 14 |
7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 13 |
8 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 12 |
9 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 11 |
11 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 9 |
12 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 8 |
13 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 7 |
14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 6 |
15 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 5 |
16 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 4 |
17 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 3 |
18 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 5 | 6 | 2 |
19 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 3 | 4 | 1 |
20 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 | 2 | 0 |
10 | 20 | 20 | 20 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 20 | 20 | 20 | 20 | 20 |
= panmagic 19x19 in 21x21 magic square
11 | 2 | 3 | 4 | 5 | 426 | 427 | 428 | 429 | 430 | 432 | 433 | 434 | 435 | 436 | 17 | 18 | 19 | 20 | 21 | 211 |
22 | 23 | 45 | 67 | 89 | 111 | 133 | 155 | 177 | 199 | 221 | 243 | 265 | 287 | 309 | 331 | 353 | 375 | 397 | 419 | 420 |
43 | 382 | 404 | 27 | 49 | 71 | 93 | 115 | 137 | 159 | 181 | 203 | 225 | 247 | 269 | 291 | 313 | 335 | 338 | 360 | 399 |
64 | 342 | 364 | 386 | 408 | 31 | 53 | 75 | 97 | 119 | 141 | 163 | 185 | 207 | 229 | 251 | 254 | 276 | 298 | 320 | 378 |
85 | 302 | 324 | 346 | 368 | 390 | 412 | 35 | 57 | 79 | 101 | 123 | 145 | 167 | 170 | 192 | 214 | 236 | 258 | 280 | 357 |
106 | 262 | 284 | 306 | 328 | 350 | 372 | 394 | 416 | 39 | 61 | 83 | 86 | 108 | 130 | 152 | 174 | 196 | 218 | 240 | 336 |
147 | 222 | 244 | 266 | 288 | 310 | 332 | 354 | 376 | 398 | 401 | 24 | 46 | 68 | 90 | 112 | 134 | 156 | 178 | 200 | 295 |
168 | 182 | 204 | 226 | 248 | 270 | 292 | 314 | 317 | 339 | 361 | 383 | 405 | 28 | 50 | 72 | 94 | 116 | 138 | 160 | 274 |
189 | 142 | 164 | 186 | 208 | 230 | 233 | 255 | 277 | 299 | 321 | 343 | 365 | 387 | 409 | 32 | 54 | 76 | 98 | 120 | 253 |
210 | 102 | 124 | 146 | 149 | 171 | 193 | 215 | 237 | 259 | 281 | 303 | 325 | 347 | 369 | 391 | 413 | 36 | 58 | 80 | 232 |
252 | 62 | 65 | 87 | 109 | 131 | 153 | 175 | 197 | 219 | 241 | 263 | 285 | 307 | 329 | 351 | 373 | 395 | 417 | 40 | 190 |
273 | 402 | 25 | 47 | 69 | 91 | 113 | 135 | 157 | 179 | 201 | 223 | 245 | 267 | 289 | 311 | 333 | 355 | 377 | 380 | 169 |
294 | 362 | 384 | 406 | 29 | 51 | 73 | 95 | 117 | 139 | 161 | 183 | 205 | 227 | 249 | 271 | 293 | 296 | 318 | 340 | 148 |
315 | 322 | 344 | 366 | 388 | 410 | 33 | 55 | 77 | 99 | 121 | 143 | 165 | 187 | 209 | 212 | 234 | 256 | 278 | 300 | 127 |
316 | 282 | 304 | 326 | 348 | 370 | 392 | 414 | 37 | 59 | 81 | 103 | 125 | 128 | 150 | 172 | 194 | 216 | 238 | 260 | 126 |
337 | 242 | 264 | 286 | 308 | 330 | 352 | 374 | 396 | 418 | 41 | 44 | 66 | 88 | 110 | 132 | 154 | 176 | 198 | 220 | 105 |
358 | 202 | 224 | 246 | 268 | 290 | 312 | 334 | 356 | 359 | 381 | 403 | 26 | 48 | 70 | 92 | 114 | 136 | 158 | 180 | 84 |
379 | 162 | 184 | 206 | 228 | 250 | 272 | 275 | 297 | 319 | 341 | 363 | 385 | 407 | 30 | 52 | 74 | 96 | 118 | 140 | 63 |
400 | 122 | 144 | 166 | 188 | 191 | 213 | 235 | 257 | 279 | 301 | 323 | 345 | 367 | 389 | 411 | 34 | 56 | 78 | 100 | 42 |
441 | 82 | 104 | 107 | 129 | 151 | 173 | 195 | 217 | 239 | 261 | 283 | 305 | 327 | 349 | 371 | 393 | 415 | 38 | 60 | 1 |
231 | 440 | 439 | 438 | 437 | 16 | 15 | 14 | 13 | 12 | 10 | 9 | 8 | 7 | 6 | 425 | 424 | 423 | 422 | 421 | 431 |
Use this method to construct inlaid squares of odd order from 5x5 to infinity.
See 5x5, 7x7, 9x9, 11x11, 13x13, 15x15, 17x17, 19x19, 21x21, 23x23, 25x25, 27x27, 29x29 & 31x31