Prime p₀= 2014177661388687631 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 18 18 34 12 8 6 30 22 32 22 30 6 8 12 34 18 18 (?)
a_n: 0 18 36 70 82 90 96 126 148 180 202 232 238 246 258 292 310 328
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: 328
Found by: Chooka
db: batch=80, k=18, 18 18 34 12 8 6 30 22 32

SPT(16)	2014175622494328091	0 10 22 100 102 148 192 208 210 226 270 316 318 396 408 418	-2038894359540
STPT(10)	2014176316323967091	0 2 6 8 18 20 30 32 36 38	-1345064720540
SPT(16)	2014176747861219839	0 14 32 72 80 108 170 218 234 282 344 372 380 420 438 452	-913527467792
STPT(10)	2014176768987860831	0 2 6 8 48 50 90 92 96 98	-892400826800
SPT(16)	2014176920554738829	0 30 80 102 140 170 180 260 270 350 360 390 428 450 500 530	-740833948802
SPT(16)	2014177264387179767	0 72 140 162 182 240 266 276 296 306 332 390 410 432 500 572	-397001507864
SPT(16)	2014178123328597419	0 18 20 32 48 92 98 110 162 174 180 224 240 252 254 272	461939909788
SPT(16)	2014178602713705643	0 10 40 64 70 78 88 124 150 186 196 204 210 234 264 274	941325018012
SPT(16)	2014178827032273401	0 8 30 110 168 192 198 206 222 230 236 260 318 398 420 428	1165643585770
SPT(16)	2014179264619732193	0 26 44 68 86 96 114 140 144 170 188 198 216 240 258 284	1603231044562
SPT(16)	2014179334032970187	0 6 24 32 102 114 144 146 150 152 182 194 264 272 290 296	1672644282556