Prime p₀= 2189656414043037761 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 30 12 30 18 30 6 6 30 18 30 12 30 (?)
a_n: 0 30 42 72 90 120 126 132 162 180 210 222 252
All 13 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 252
Found by: [SG-FC] hl
db: batch=81, k=13, 30 12 30 18 30 6

SPT(16)	2189655805492409117	0 6 26 122 140 146 156 164 222 230 240 246 264 360 380 386	-608550628644
SPT(16)	2189655994046328277	0 12 30 42 72 82 156 220 252 316 390 400 430 442 460 472	-419996709484
SPT(16)	2189656008801710693	0 44 48 110 164 168 170 188 300 318 320 324 378 440 444 488	-405241327068
SPT(16)	2189656203049760821	0 18 28 46 70 82 120 172 186 238 276 288 312 330 340 358	-210993276940
SPT(20)	2189656245371219419	0 12 42 48 58 60 124 132 144 190 222 268 280 288 352 354 364 370 400 412	-168671818342
STPT(10)	2189656340590048961	0 2 36 38 78 80 120 122 156 158	-73452988800
SPT(16)	2189656505516078351	0 12 26 36 78 98 110 132 176 198 210 230 272 282 296 308	91473040590
SPT(16)	2189656937629956797	0 74 80 92 114 120 140 182 192 234 254 260 282 294 300 374	523586919036
STPT(10)	2189657292311841029	0 2 18 20 30 32 42 44 60 62	878268803268
STPT(10)	2189657424887851811	0 2 6 8 48 50 90 92 96 98	1010844814050
STPT(10)	2189657708900509007	0 2 30 32 42 44 54 56 84 86	1294857471246