Prime p₀= 808442453668306819 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 4 14 30 40 6 8 18 30 22 30 18 8 6 40 30 14 4 (?)
a_n: 0 4 18 48 88 94 102 120 150 172 202 220 228 234 274 304 318 322
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: 322
Found by: [AF>Amis des Lapins] Ceclo
db: batch=73, k=18, 4 14 30 40 6 8 18 30 22

SPT(16)	808441416953745811	0 22 36 42 60 70 132 148 150 166 228 238 256 262 276 298	-1036714561008
STPT(10)	808441738344299999	0 2 18 20 60 62 102 104 120 122	-715324006820
SPT(16)	808441801667479817	0 24 32 36 60 66 80 92 234 246 260 266 290 294 302 326	-652000827002
SPT(16)	808441936845861893	0 54 66 84 98 180 194 200 234 240 254 336 350 368 380 434	-516822444926
STPT(12)	808442035970948747	0 2 42 44 54 56 90 92 102 104 144 146	-417697358072
STPT(10)	808442392664615507	0 2 30 32 42 44 54 56 84 86	-61003691312
STPT(10)	808442672813087861	0 2 6 8 48 50 90 92 96 98	219144781042
SPT(16)	808442830482278977	0 24 42 46 66 150 154 172 264 282 286 370 390 394 412 436	376813972158
STPT(10)	808443231446394461	0 2 30 32 78 80 126 128 156 158	777778087642
STPT(10)	808443452798361617	0 2 30 32 42 44 54 56 84 86	999130054798
SPT(16)	808443555119023909	0 4 54 88 94 108 138 208 210 280 310 324 330 364 414 418	1101450717090