Prime p₀= 1274917060947584567 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 24 6 90 2 24 10 8 40 8 40 8 10 24 2 90 6 24 (?)
a_n: 0 24 30 120 122 146 156 164 204 212 252 260 270 294 296 386 392 416
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: 416
Found by: Theadalus
db: batch=77, k=18, 24 6 90 2 24 10 8 40 8

TPT(14)	1274916120300745079	0 2 108 110 180 182 222 224 288 290 300 302 330 332	-940646839488
SPT(16)	1274916303231637519	0 12 22 24 34 48 78 82 90 94 124 138 148 150 160 172	-757715947048
STPT(10)	1274916314350128389	0 2 18 20 60 62 102 104 120 122	-746597456178
SPT(16)	1274916633621936523	0 28 60 96 100 108 114 124 210 220 226 234 238 274 306 334	-427325648044
TPT(14)	1274916856633473041	0 2 18 20 30 32 240 242 258 260 378 380 468 470	-204314111526
SPT(16)	1274917012156770343	0 18 36 58 60 64 100 114 160 174 210 214 216 238 256 274	-48790814224
STPT(10)	1274917476229617107	0 2 24 26 42 44 60 62 84 86	415282032540
SPT(16)	1274917617380489503	0 10 46 58 66 70 78 106 108 136 144 148 156 168 204 214	556432904936
STPT(10)	1274917832886184181	0 2 36 38 78 80 120 122 156 158	771938599614
STPT(10)	1274917940584024277	0 2 30 32 72 74 114 116 144 146	879636439710
SPT(16)	1274917948270530359	0 8 42 48 120 138 162 174 188 200 224 242 314 320 354 362	887322945792