Prime p₀= 1966648885758896849 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 24 14 6 36 58 36 14 12 22 12 14 36 58 36 6 14 24 (?)
a_n: 0 24 38 44 80 138 174 188 200 222 234 248 284 342 378 384 398 422
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: 422
Found by: matsu_pl
db: batch=80, k=18, 24 14 6 36 58 36 14 12 22

SPT(16)	1966647183049025339	0 2 42 48 90 170 210 212 288 290 330 410 452 458 498 500	-1702709871510
SPT(16)	1966647477964386859	0 64 70 120 132 148 160 174 208 222 234 250 262 312 318 382	-1407794509990
SPT(16)	1966647497013634163	0 18 44 54 86 138 144 164 270 290 296 348 380 390 416 434	-1388745262686
SPT(16)	1966648387908314629	0 28 82 112 142 168 210 234 268 292 334 360 390 420 474 502	-497850582220
STPT(10)	1966648495960690439	0 2 18 20 60 62 102 104 120 122	-389798206410
SPT(16)	1966648743368808703	0 10 24 46 58 84 114 120 304 310 340 366 378 400 414 424	-142390088146
SPT(16)	1966649107510737631	0 10 16 42 60 66 100 120 178 198 232 238 256 282 288 298	221751840782
SPT(16)	1966649174091119503	0 10 108 126 130 144 150 244 270 364 370 384 388 406 504 514	288332222654
STPT(12)	1966649777211512207	0 2 24 26 84 86 90 92 150 152 174 176	891452615358
SPT(16)	1966650620265920683	0 48 70 78 96 106 118 136 138 156 168 178 196 204 226 274	1734507023834
STPT(10)	1966650676381525007	0 2 30 32 42 44 54 56 84 86	1790622628158