Prime p₀= 2617446144546061849 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 4 68 42 10 18 50 42 30 4 30 42 50 18 10 42 68 4 (?)
a_n: 0 4 72 114 124 142 192 234 264 268 298 340 390 408 418 460 528 532
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: 532
Found by: JayPi
db: batch=82, k=18, 4 68 42 10 18 50 42 30 4

SPT(16)	2617444877562178813	0 4 6 84 106 118 120 144 160 184 186 198 220 298 300 304	-1266983883036
SPT(16)	2617445516231792011	0 42 52 78 96 120 138 160 168 190 208 232 250 276 286 328	-628314269838
STPT(10)	2617445663956780211	0 2 36 38 78 80 120 122 156 158	-480589281638
SPT(16)	2617445818454665217	0 12 32 50 84 122 144 152 174 182 204 242 276 294 314 326	-326091396632
SPT(16)	2617445873935358041	0 16 28 60 70 88 118 142 186 210 240 258 268 300 312 328	-270610703808
STPT(10)	2617445956422300977	0 2 30 32 42 44 54 56 84 86	-188123760872
STPT(10)	2617446160031113727	0 2 30 32 42 44 54 56 84 86	15485051878
TPT(14)	2617446507099625379	0 2 48 50 222 224 360 362 390 392 402 404 582 584	362553563530
SPT(16)	2617446930843168979	0 18 70 78 88 90 100 102 118 120 130 132 142 150 202 220	786297107130
STPT(10)	2617447012498203791	0 2 6 8 48 50 90 92 96 98	867952141942
SPT(16)	2617447242154966567	0 22 40 42 54 90 100 240 244 384 394 430 442 444 462 484	1097608904718