Prime p₀= 493341535870691009 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 12 20 46 2 10 20 24 48 40 8 40 48 24 20 10 2 46 20 12 (?)
a_n: 0 12 32 78 80 90 110 134 182 222 230 270 318 342 362 372 374 420 440 452
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: 452
derived by truncating larger tuple
Found by: Paul
db: batch=70, k=20, 12 20 46 2 10 20 24 48 40 8

SPT(14)	493341456289509287	0 12 14 96 146 176 224 312 360 390 440 522 524 536	-79581181722
SPT(14)	493341472275496841	0 2 12 66 78 86 98 120 132 140 152 206 216 218	-63595194168
SPT(14)	493341473445583513	0 34 60 84 154 156 216 238 298 300 370 394 420 454	-62425107496
TPT(16)	493341501747814229	0 2 12 14 42 44 72 74 102 104 108 110 222 224 228 230	-34122876780
TPT(12)	493341512676860597	0 2 12 14 24 26 114 116 162 164 204 206	-23193830412
SPT(22)	493341535870690999	0 10 22 42 88 90 100 120 144 192 232 240 280 328 352 372 382 384 430 450 462 472	-10
SPT(14)	493341562936302629	0 20 48 110 152 182 212 300 330 360 402 464 492 512	27065611620
SPT(14)	493341585159454739	0 32 50 102 120 134 162 182 210 224 242 294 312 344	49288763730
TPT(12)	493341595182814877	0 2 30 32 72 74 114 116 120 122 312 314	59312123868
SPT(14)	493341606012988133	0 8 44 104 114 218 228 230 240 344 354 414 450 458	70142297124
TPT(12)	493341611378175167	0 2 12 14 24 26 60 62 84 86 114 116	75507484158
SPT(14)	493341612629087863	0 4 6 58 70 84 114 130 160 174 186 238 240 244	76758396854