Prime p₀= 1110522512314246259 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 20 22 2 6 22 6 50 16 14 16 50 6 22 6 2 22 20 (?)
a_n: 0 20 42 44 50 72 78 128 144 158 174 224 230 252 258 260 282 302
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: 302
Found by: Fardringle
db: batch=76, k=18, 20 22 2 6 22 6 50 16 14

STPT(10)	1110521381106902447	0 2 12 14 72 74 132 134 144 146	-1131207343812
SPT(16)	1110521677606686977	0 36 56 126 146 206 234 240 260 266 294 354 374 444 464 500	-834707559282
STPT(10)	1110521679130432739	0 2 18 20 30 32 42 44 60 62	-833183813520
SPT(16)	1110521997036519671	0 2 8 30 60 62 102 128 132 158 198 200 230 252 258 260	-515277726588
SPT(16)	1110522171390556357	0 6 12 24 42 52 54 70 96 112 114 124 142 154 160 166	-340923689902
SPT(16)	1110522250808601523	0 70 78 96 118 120 154 180 184 210 244 246 268 286 294 364	-261505644736
SPT(16)	1110522646803233737	0 6 24 30 72 94 106 154 162 210 222 244 286 292 310 316	134488987478
SPT(16)	1110522837029448131	0 20 56 92 120 132 170 212 330 372 410 422 450 486 522 542	324715201872
STPT(10)	1110523045743547451	0 2 36 38 78 80 120 122 156 158	533429301192
SPT(20)	1110523804931457691	0 42 52 60 82 88 106 120 132 136 162 166 178 192 210 216 238 246 256 298	1292617211432
STPT(10)	1110523808968921817	0 2 30 32 42 44 54 56 84 86	1296654675558