Prime p₀= 2615463437737427093 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 20 36 4 24 14 6 34 8 202 8 34 6 14 24 4 36 20 (?)
a_n: 0 20 56 60 84 98 104 138 146 348 356 390 396 410 434 438 474 494
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: 494
Found by: JayPi
db: batch=82, k=18, 20 36 4 24 14 6 34 8 202

SPT(16)	2615461950268190687	0 6 20 24 66 114 152 210 236 294 332 380 422 426 440 446	-1487469236406
SPT(16)	2615462252092647241	0 58 72 78 96 138 148 162 166 180 190 232 250 256 270 328	-1185644779852
SPT(16)	2615462559659015749	0 60 70 88 124 144 148 228 400 480 484 504 540 558 568 628	-878078411344
SPT(16)	2615462608263586027	0 22 24 70 72 100 102 112 192 202 204 232 234 280 282 304	-829473841066
STPT(10)	2615462685069522707	0 2 12 14 42 44 72 74 84 86	-752667904386
STPT(10)	2615462864825654927	0 2 30 32 72 74 114 116 144 146	-572911772166
SPT(13)	2615463443722368607	0 42 54 84 90 102 132 162 174 180 210 222 264	5984941514
STPT(10)	2615463590151867701	0 2 36 38 78 80 120 122 156 158	152414440608
SPT(16)	2615463903874355011	0 10 66 88 102 132 148 186 202 240 256 286 300 322 378 388	466136927918
STPT(10)	2615464132610401739	0 2 42 44 60 62 78 80 120 122	694872974646
STPT(10)	2615464225869908009	0 2 18 20 60 62 102 104 120 122	788132480916