Prime p₀= 1074627204739488109 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 22 2 6 10 14 30 36 4 14 4 36 30 14 10 6 2 22 (?)
a_n: 0 22 24 30 40 54 84 120 124 138 142 178 208 222 232 238 240 262
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 262
Found by: Theadalus
db: batch=76, k=18, 22 2 6 10 14 30 36 4 14

SPT(16)	1074626446018841591	0 2 38 68 116 122 126 140 168 182 186 192 240 270 306 308	-758720646518
SPT(16)	1074626591425021339	0 28 34 70 108 160 168 294 298 424 432 484 522 558 564 592	-613314466770
SPT(16)	1074626933293064147	0 24 50 84 110 164 170 176 210 216 222 276 302 336 362 386	-271446423962
SPT(16)	1074627090806749717	0 4 6 24 30 42 66 102 124 160 184 196 202 220 222 226	-113932738392
STPT(10)	1074627098120564939	0 2 18 20 30 32 42 44 60 62	-106618923170
SPT(16)	1074627126540131299	0 42 58 72 94 100 150 168 244 262 312 318 340 354 370 412	-78199356810
SPT(16)	1074627291869501131	0 76 82 112 126 150 196 210 268 282 328 352 366 396 402 478	87130013022
STPT(10)	1074627684813797159	0 2 12 14 90 92 168 170 180 182	480074309050
SPT(16)	1074627814157215963	0 88 166 168 196 204 210 234 250 274 280 288 316 318 396 484	609417727854
STPT(10)	1074628220099249927	0 2 42 44 72 74 102 104 144 146	1015359761818
SPT(16)	1074628302198397091	0 12 18 36 56 78 120 132 146 158 200 222 242 260 266 278	1097458908982