Prime p₀= 2494396078250906587 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 4 48 8 54 6 22 14 6 30 82 30 6 14 22 6 54 8 48 4 (?)
a_n: 0 4 52 60 114 120 142 156 162 192 274 304 310 324 346 352 406 414 462 466
All 20 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 466
Found by: JayPi
db: batch=82, k=20, 4 48 8 54 6 22 14 6 30 82

SPT(16)	2494395298409227327	0 24 30 46 60 112 126 156 190 220 234 286 300 316 322 346	-779841679260
TPT(14)	2494395315075921329	0 2 18 20 42 44 78 80 132 134 252 254 282 284	-763174985258
SPT(16)	2494395362987449387	0 4 34 36 64 70 76 90 100 114 120 126 154 156 186 190	-715263457200
TPT(14)	2494395544816484291	0 2 48 50 78 80 90 92 138 140 168 170 210 212	-533434422296
SPT(16)	2494395776733036481	0 42 70 82 100 172 198 238 270 310 336 408 426 438 466 508	-301517870106
TPT(14)	2494395957177488129	0 2 42 44 78 80 108 110 132 134 150 152 162 164	-121073418458
STPT(10)	2494396220145028007	0 2 12 14 42 44 72 74 84 86	141894121420
STPT(10)	2494396420243358507	0 2 30 32 60 62 90 92 120 122	341992451920
SPT(16)	2494396498394793407	0 2 20 42 60 104 122 182 192 252 270 314 332 354 372 374	420143886820
SPT(16)	2494397172875547389	0 20 32 80 102 108 120 168 224 272 284 290 312 360 372 392	1094624640802
STPT(10)	2494397311569782117	0 2 90 92 102 104 114 116 204 206	1233318875530