Prime p₀= 1269194499088145689 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 12 10 2 28 2 60 34 32 30 22 30 32 34 60 2 28 2 10 12 (?)
a_n: 0 12 22 24 52 54 114 148 180 210 232 262 294 328 388 390 418 420 430 442
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: 442
derived by truncating larger tuple
Found by: Megacruncher
db: batch=77, k=20, 12 10 2 28 2 60 34 32 30 22

SPT(16)	1269193444337770967	0 14 32 60 66 74 80 116 120 156 162 170 176 204 222 236	-1054750374722
STPT(10)	1269193757500030259	0 2 18 20 30 32 42 44 60 62	-741588115430
SPT(16)	1269193810474516649	0 2 30 50 72 92 140 224 228 312 360 380 402 422 450 452	-688613629040
STPT(10)	1269194159853206339	0 2 18 20 30 32 42 44 60 62	-339234939350
SPT(16)	1269194270179229939	0 18 44 110 114 140 158 180 212 234 252 278 282 348 374 392	-228908915750
SPT(22)	1269194499088145659	0 30 42 52 54 82 84 144 178 210 240 262 292 324 358 418 420 448 450 460 472 502	-30
SPT(16)	1269194639123142883	0 40 46 88 106 130 186 196 198 208 264 288 306 348 354 394	140034997194
STPT(10)	1269194677826318447	0 2 12 14 42 44 72 74 84 86	178738172758
STPT(10)	1269194815223185397	0 2 30 32 42 44 54 56 84 86	316135039708
SPT(16)	1269195419018544767	0 24 74 110 114 116 126 144 176 194 204 206 210 246 296 320	919930399078
TPT(14)	1269195474351111917	0 2 54 56 84 86 150 152 252 254 264 266 282 284	975262966228
SPT(16)	1269195937790682017	0 20 44 50 56 84 116 134 336 354 386 414 420 426 450 470	1438702536328