Prime p₀= 1302366858287664419 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 24 18 8 10 24 20 28 2 30 64 30 2 28 20 24 10 8 18 24 (?)
a_n: 0 24 42 50 60 84 104 132 134 164 228 258 260 288 308 332 342 350 368 392
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: 392
Found by: HenkM
db: batch=77, k=20, 24 18 8 10 24 20 28 2 30 64

STPT(10)	1302365546818152917	0 2 60 62 72 74 84 86 144 146	-1311469511502
SPT(16)	1302365598897195863	0 56 60 86 90 104 114 116 258 260 270 284 288 314 318 374	-1259390468556
STPT(10)	1302365720078167091	0 2 6 8 48 50 90 92 96 98	-1138209497328
SPT(16)	1302365994214062109	0 10 24 52 78 90 112 124 288 300 322 334 360 388 402 412	-864073602310
SPT(16)	1302366468155245319	0 12 54 72 74 110 128 168 224 264 282 318 320 338 380 392	-390132419100
STPT(10)	1302366804953960531	0 2 30 32 78 80 126 128 156 158	-53333703888
STPT(10)	1302367227053844179	0 2 48 50 90 92 132 134 180 182	368766179760
STPT(10)	1302367253942727389	0 2 18 20 30 32 42 44 60 62	395655062970
SPT(16)	1302367539191527723	0 40 84 94 178 204 258 276 358 376 430 456 540 550 594 634	680903863304
STPT(10)	1302367971239710559	0 2 18 20 30 32 42 44 60 62	1112952046140
SPT(16)	1302368036057674007	0 2 6 24 50 90 92 102 104 114 116 156 182 200 204 206	1177770009588