Prime p₀= 1438235670238464833 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 26 10 14 4 6 24 42 134 46 68 46 134 42 24 6 4 14 10 26 (?)
a_n: 0 26 36 50 54 60 84 126 260 306 374 420 554 596 620 626 630 644 654 680
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: 680
Found by: Theadalus
db: batch=78, k=20, 26 10 14 4 6 24 42 134 46 68

SPT(16)	1438234662472448069	0 8 20 50 74 78 98 150 242 294 314 318 342 372 384 392	-1007766016764
SPT(16)	1438235016568934803	0 18 48 64 90 114 160 280 318 438 484 508 534 550 580 598	-653669530030
SPT(16)	1438235275781360729	0 50 60 72 92 98 102 114 128 140 144 150 170 182 192 242	-394457104104
SPT(16)	1438235420293622957	0 12 14 30 44 84 86 116 210 240 242 282 296 312 314 326	-249944841876
SPT(16)	1438235433881229619	0 12 30 42 82 100 108 138 154 184 192 210 250 262 280 292	-236357235214
SPT(16)	1438235548317573179	0 14 48 54 72 158 168 182 240 254 264 350 368 374 408 422	-121920891654
STPT(10)	1438235733281927477	0 2 42 44 72 74 102 104 144 146	63043462644
SPT(16)	1438236028507481197	0 22 40 42 46 60 66 70 96 100 106 120 124 126 144 166	358269016364
SPT(16)	1438236186010488871	0 30 40 66 102 112 142 156 166 180 210 220 256 282 292 322	515772024038
SPT(16)	1438236465211296973	0 10 18 36 60 66 94 120 154 180 208 214 238 256 264 274	794972832140
SPT(16)	1438237398324782933	0 14 38 50 80 108 138 140 174 176 206 234 264 276 300 314	1728086318100