Prime p₀= 2538283996581821143 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 6 54 28 2 4 2 22 26 16 26 22 2 4 2 28 54 6 (?)
a_n: 0 6 60 88 90 94 96 118 144 160 186 208 210 214 216 244 298 304
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: 304
Found by: RFGuy_KCCO
db: batch=82, k=18, 6 54 28 2 4 2 22 26 16

SPT(16)	2538282675866564057	0 14 26 32 36 56 126 132 224 230 300 320 324 330 342 356	-1320715257086
STPT(10)	2538282864965407739	0 2 48 50 90 92 132 134 180 182	-1131616413404
SPT(16)	2538282988272926101	0 6 48 60 70 82 88 126 172 210 216 228 238 250 292 298	-1008308895042
STPT(10)	2538283307006853941	0 2 66 68 108 110 150 152 216 218	-689574967202
SPT(16)	2538283666810758533	0 6 18 66 80 90 98 116 150 168 176 186 200 248 260 266	-329771062610
STPT(10)	2538283867991616929	0 2 30 32 60 62 90 92 120 122	-128590204214
SPT(16)	2538284279791540681	0 10 22 42 70 108 120 162 268 310 322 360 388 408 420 430	283209719538
STPT(10)	2538284379301627841	0 2 66 68 108 110 150 152 216 218	382719806698
SPT(16)	2538284477443028471	0 26 42 98 132 182 192 198 290 296 306 356 390 446 462 488	480861207328
SPT(16)	2538284488911747067	0 4 30 52 66 114 130 150 196 216 232 280 294 316 342 346	492329925924
SPT(16)	2538284531610394649	0 32 38 80 164 168 192 210 242 260 284 288 372 414 420 452	535028573506