Prime p₀= 2103629400703254691 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 34 66 26 10 32 16 12 62 12 16 32 10 26 66 34 12 (?)
a_n: 0 12 46 112 138 148 180 196 208 270 282 298 330 340 366 432 466 478
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: 478
Found by: Landjunge
db: batch=80, k=18, 12 34 66 26 10 32 16 12 62

SPT(16)	2103627998476250287	0 16 82 112 132 222 270 276 286 292 340 430 450 480 546 562	-1402227004404
STPT(10)	2103628362591086027	0 2 30 32 72 74 114 116 144 146	-1038112168664
SPT(16)	2103629252133622211	0 18 20 38 56 60 66 98 108 140 146 150 168 186 188 206	-148569632480
TPT(14)	2103629270371335227	0 2 54 56 132 134 162 164 210 212 234 236 264 266	-130331919464
SPT(16)	2103629302070377259	0 14 54 78 80 110 132 138 164 170 192 222 224 248 288 302	-98632877432
STPT(10)	2103629384954442869	0 2 18 20 30 32 42 44 60 62	-15748811822
SPT(16)	2103629547185206589	0 24 38 90 128 150 170 174 314 318 338 360 398 450 464 488	146481951898
SPT(16)	2103629562925975927	0 6 12 22 52 66 90 156 160 226 250 264 294 304 310 316	162222721236
SPT(16)	2103629939058018331	0 22 30 58 60 72 78 88 132 142 148 160 162 190 198 220	538354763640
STPT(10)	2103630045826597427	0 2 60 62 72 74 84 86 144 146	645123342736
SPT(16)	2103630301246329473	0 36 74 114 120 126 158 176 198 216 248 254 260 300 338 374	900543074782