Prime p₀= 2826216531619699261 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 60 10 18 104 4 44 66 4 38 4 66 44 4 104 18 10 60 (?)
a_n: 0 60 70 88 192 196 240 306 310 348 352 418 462 466 570 588 598 658
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: 658
Found by: JayPi
db: batch=82, k=18, 60 10 18 104 4 44 66 4 38

SPT(16)	2826215487977417897	0 20 50 92 110 114 140 162 194 216 242 246 264 306 336 356	-1043642281364
SPT(16)	2826215557587337249	0 22 34 78 88 102 120 148 174 202 220 234 244 288 300 322	-974032362012
SPT(16)	2826215558401209581	0 6 32 66 122 132 150 192 266 308 326 336 392 426 452 458	-973218489680
TPT(14)	2826215568615611069	0 2 132 134 162 164 198 200 258 260 300 302 330 332	-963004088192
TPT(14)	2826216075850991597	0 2 54 56 72 74 90 92 102 104 114 116 144 146	-455768707664
SPT(16)	2826216511496914733	0 14 26 138 140 158 186 200 204 218 246 264 266 378 390 404	-20122784528
TPT(16)	2826216532208760659	0 2 12 14 42 44 48 50 132 134 138 140 180 182 300 302	589061398
TPT(14)	2826217194183953237	0 2 24 26 90 92 120 122 174 176 192 194 204 206	662564253976
TPT(14)	2826217330676924297	0 2 24 26 42 44 114 116 150 152 192 194 234 236	799057225036
STPT(10)	2826217503651975617	0 2 30 32 60 62 90 92 120 122	972032276356
SPT(16)	2826217743634065119	0 42 44 62 72 120 140 210 224 294 314 362 372 390 392 434	1212014365858