Prime p₀= 1074032399859694361 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 20 10 2 18 10 2 36 10 74 10 36 2 10 18 2 10 20 (?)
a_n: 0 20 30 32 50 60 62 98 108 182 192 228 230 240 258 260 270 290
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: 290
Found by: Theadalus
db: batch=76, k=18, 20 10 2 18 10 2 36 10 74

SPT(16)	1074031400061184231	0 6 36 66 72 88 148 150 238 240 300 316 322 352 382 388	-999798510130
STPT(10)	1074031413173412437	0 2 42 44 72 74 102 104 144 146	-986686281924
SPT(16)	1074031658399902957	0 6 16 60 72 82 84 126 130 172 174 184 196 240 250 256	-741459791404
SPT(16)	1074031690816823723	0 20 36 56 74 90 116 134 150 168 194 210 228 248 264 284	-709042870638
TPT(14)	1074032082680696849	0 2 78 80 90 92 108 110 180 182 318 320 348 350	-317178997512
STPT(10)	1074032218255170479	0 2 48 50 90 92 132 134 180 182	-181604523882
TPT(14)	1074032736466652159	0 2 30 32 138 140 168 170 288 290 330 332 420 422	336606957798
STPT(10)	1074033037087503089	0 2 42 44 60 62 78 80 120 122	637227808728
SPT(16)	1074033060684021869	0 2 14 44 78 120 158 204 308 354 392 434 468 498 510 512	660824327508
STPT(10)	1074033195963063407	0 2 30 32 42 44 54 56 84 86	796103369046
STPT(10)	1074033675804947909	0 2 18 20 30 32 42 44 60 62	1275945253548