Prime p₀= 1396890820419496861 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 40 126 42 60 12 8 28 26 28 8 12 60 42 126 40 (?)
a_n: 0 40 166 208 268 280 288 316 342 370 378 390 450 492 618 658
All 16 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 658
Found by: Steve Dodd
db: batch=77, k=16, 40 126 42 60 12 8 28 26

SPT(16)	1396889710497152423	0 18 60 80 116 144 158 180 194 216 230 258 294 314 356 374	-1109922344438
STPT(12)	1396889925732521021	0 2 60 62 90 92 126 128 156 158 216 218	-894686975840
TPT(14)	1396889925732521021	0 2 60 62 90 92 126 128 156 158 216 218 258 260	-894686975840
STPT(10)	1396890170851009589	0 2 18 20 30 32 42 44 60 62	-649568487272
SPT(16)	1396890522674957071	0 40 58 72 88 100 108 130 150 172 180 192 208 222 240 280	-297744539790
SPT(16)	1396890782240792273	0 8 14 66 114 140 200 218 276 294 354 380 428 480 486 494	-38178704588
SPT(16)	1396890932960537957	0 56 90 186 194 230 252 260 276 284 306 342 350 446 480 536	112541041096
SPT(16)	1396891263000128047	0 6 12 52 54 70 162 192 274 304 396 412 414 454 460 466	442580631186
SPT(20)	1396891292204512123	0 6 24 34 54 88 90 96 160 166 258 264 328 334 336 370 390 400 418 424	471785015262
SPT(18)	1396891351950317087	0 14 36 56 104 134 140 144 156 314 326 330 336 366 414 434 456 470	531530820226
TPT(14)	1396891664057366339	0 2 30 32 102 104 168 170 198 200 282 284 330 332	843637869478