Prime p₀= 2118285617077189297 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 84 40 8 4 26 54 10 18 2 34 2 18 10 54 26 4 8 40 84 (?)
a_n: 0 84 124 132 136 162 216 226 244 246 280 282 300 310 364 390 394 402 442 526
All 20 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 526
Found by: Donn Pike (USAF Ret)
db: batch=80, k=20, 84 40 8 4 26 54 10 18 2 34

SPT(16)	2118284534323729313	0 14 24 38 78 86 98 114 230 246 258 266 306 320 330 344	-1082753459984
SPT(16)	2118284602884389083	0 34 36 60 126 144 148 250 294 396 400 418 484 508 510 544	-1014192800214
SPT(16)	2118284710611971029	0 18 88 90 94 130 150 154 168 172 192 228 232 234 304 322	-906465218268
SPT(16)	2118285002749978717	0 6 42 46 70 76 132 174 202 244 300 306 330 334 370 376	-614327210580
TPT(14)	2118285343088611127	0 2 30 32 222 224 270 272 324 326 384 386 450 452	-273988578170
TPT(14)	2118285429063157727	0 2 60 62 90 92 114 116 162 164 174 176 204 206	-188014031570
SPT(16)	2118286270271631959	0 14 24 30 42 134 144 224 228 308 318 410 422 428 438 452	653194442662
SPT(18)	2118286542665058023	0 18 56 74 84 90 140 146 180 194 228 234 284 290 300 318 356 374	925587868726
STPT(10)	2118286586191096229	0 2 18 20 30 32 42 44 60 62	969113906932
STPT(10)	2118287305806985979	0 2 78 80 180 182 282 284 360 362	1688729796682
TPT(14)	2118287333607804101	0 2 78 80 96 98 108 110 138 140 156 158 198 200	1716530614804