Prime p₀= 2725761801289351421 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 18 2 88 42 38 4 8 96 16 96 8 4 38 42 88 2 18 (?)
a_n: 0 18 20 108 150 188 192 200 296 312 408 416 420 458 500 588 590 608
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: 608
Found by: JayPi
db: batch=82, k=18, 18 2 88 42 38 4 8 96 16

SPT(16)	2725760979900547403	0 38 138 146 216 258 300 320 336 356 398 440 510 518 618 656	-821388804018
STPT(10)	2725761022504710077	0 2 30 32 42 44 54 56 84 86	-778784641344
STPT(10)	2725761267658118267	0 2 30 32 42 44 54 56 84 86	-533631233154
STPT(10)	2725761374791638011	0 2 6 8 48 50 90 92 96 98	-426497713410
STPT(10)	2725761462798706217	0 2 12 14 72 74 132 134 144 146	-338490645204
TPT(14)	2725761783051597221	0 2 150 152 156 158 180 182 330 332 360 362 378 380	-18237754200
SPT(16)	2725761962843543717	0 14 42 56 90 122 164 210 266 312 354 386 420 434 462 476	161554192296
STPT(10)	2725762109366187347	0 2 30 32 42 44 54 56 84 86	308076835926
SPT(16)	2725762449454039729	0 34 138 144 172 198 210 250 312 352 364 390 418 424 528 562	648164688308
SPT(16)	2725762541470654451	0 2 20 30 36 78 96 110 198 212 230 272 278 288 306 308	740181303030
STPT(10)	2725762937832611177	0 2 54 56 72 74 90 92 144 146	1136543259756