Prime p₀= 2634472480631426819 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 24 18 2 4 26 6 22 12 44 12 22 6 26 4 2 18 24 (?)
a_n: 0 24 42 44 48 74 80 102 114 158 170 192 198 224 228 230 248 272
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: 272
Found by: JayPi
db: batch=82, k=18, 24 18 2 4 26 6 22 12 44

SPT(16)	2634471858052027471	0 46 66 102 106 108 130 136 162 168 190 192 196 232 252 298	-622579399348
STPT(10)	2634471939285951419	0 2 48 50 90 92 132 134 180 182	-541345475400
SPT(16)	2634472072193639621	0 6 56 60 66 98 102 108 140 146 150 182 188 192 242 248	-408437787198
STPT(10)	2634472128794662769	0 2 18 20 30 32 42 44 60 62	-351836764050
SPT(16)	2634472300092123427	0 10 34 66 136 252 276 292 294 310 334 450 520 552 576 586	-180539303392
SPT(16)	2634472360845514979	0 30 32 72 102 104 114 140 144 170 180 182 212 252 254 284	-119785911840
STPT(10)	2634472527616254887	0 2 42 44 72 74 102 104 144 146	46984828068
SPT(16)	2634473162537971537	0 6 76 124 142 154 156 210 226 280 282 294 312 360 430 436	681906544718
STPT(10)	2634473440317190697	0 2 30 32 42 44 54 56 84 86	959685763878
SPT(16)	2634473711907002437	0 54 70 72 76 82 132 136 180 184 234 240 244 246 262 316	1231275575618
SPT(16)	2634474241163273557	0 54 76 142 156 166 174 196 270 292 300 310 324 390 412 466	1760531846738