Prime p₀= 2405463168740158223 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 20 10 48 8 30 10 8 10 26 10 8 10 30 8 48 10 20 (?)
a_n: 0 20 30 78 86 116 126 134 144 170 180 188 198 228 236 284 294 314
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: 314
Found by: Penguin
db: batch=82, k=18, 20 10 48 8 30 10 8 10 26

TPT(14)	2405462312711757569	0 2 18 20 138 140 210 212 240 242 270 272 282 284	-856028400654
SPT(16)	2405462396667067217	0 6 30 56 62 72 90 110 162 182 200 210 216 242 266 272	-772073091006
SPT(16)	2405462397385092337	0 24 106 144 174 216 250 274 276 300 334 376 406 444 526 550	-771355065886
SPT(16)	2405462527201402381	0 18 42 60 70 82 96 100 168 172 186 198 208 226 250 268	-641538755842
SPT(16)	2405462549074246747	0 4 16 42 52 114 130 144 232 246 262 324 334 360 372 376	-619665911476
SPT(16)	2405462553575503813	0 30 34 58 88 94 114 130 138 154 174 180 210 234 238 268	-615164654410
STPT(10)	2405463342311056967	0 2 30 32 60 62 90 92 120 122	173570898744
SPT(16)	2405463455780662441	0 10 40 90 106 112 136 150 178 192 216 222 238 288 318 328	287040504218
SPT(16)	2405464051175173297	0 66 70 72 114 240 262 292 534 564 586 712 754 756 760 826	882435015074
SPT(16)	2405464143510503839	0 10 24 40 58 70 150 208 210 268 348 360 378 394 408 418	974770345616
TPT(14)	2405464293843214937	0 2 84 86 102 104 114 116 132 134 180 182 324 326	1125103056714