Prime p₀= 1295423861660862467 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 24 26 6 6 40 20 24 10 104 10 24 20 40 6 6 26 24 (?)
a_n: 0 24 50 56 62 102 122 146 156 260 270 294 314 354 360 366 392 416
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: Cruncher Pete
db: batch=77, k=18, 24 26 6 6 40 20 24 10 104

SPT(16)	1295422942992227417	0 12 32 36 102 120 170 176 180 186 236 254 320 324 344 356	-918668635050
SPT(16)	1295423100629770771	0 18 22 60 88 102 138 142 168 172 208 222 250 288 292 310	-761031091696
STPT(10)	1295423278914395087	0 2 30 32 72 74 114 116 144 146	-582746467380
STPT(10)	1295423430176620499	0 2 18 20 30 32 42 44 60 62	-431484241968
STPT(12)	1295423434568212529	0 2 30 32 72 74 108 110 150 152 180 182	-427092649938
SPT(16)	1295423477055171671	0 12 26 36 48 50 56 86 102 132 138 140 152 162 176 188	-384605690796
STPT(10)	1295423965641548591	0 2 36 38 78 80 120 122 156 158	103980686124
SPT(16)	1295424011795767859	0 84 102 122 210 350 440 500 564 624 714 854 942 962 980 1064	150134905392
SPT(16)	1295424087451747189	0 48 58 60 72 88 102 150 202 250 264 280 292 294 304 352	225790884722
SPT(16)	1295424123795921073	0 10 28 36 78 114 120 136 138 154 160 196 238 246 264 274	262135058606
SPT(16)	1295424535353316099	0 30 40 72 88 118 138 142 198 202 222 252 268 300 310 340	673692453632