Prime p₀= 2715476693710045207 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 42 4 20 4 24 32 48 22 14 22 48 32 24 4 20 4 42 (?)
a_n: 0 42 46 66 70 94 126 174 196 210 232 280 312 336 340 360 364 406
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: 406
Found by: Bill F
db: batch=82, k=18, 42 4 20 4 24 32 48 22 14

STPT(10)	2715474509477170757	0 2 30 32 42 44 54 56 84 86	-2184232874450
TPT(14)	2715474792639837341	0 2 36 38 78 80 126 128 150 152 240 242 246 248	-1901070207866
STPT(10)	2715474821477931179	0 2 18 20 60 62 102 104 120 122	-1872232114028
SPT(16)	2715474969459731441	0 18 110 120 176 180 188 198 200 210 218 222 278 288 380 398	-1724250313766
SPT(16)	2715474971347100719	0 12 40 82 102 108 130 144 148 162 184 190 210 252 280 292	-1722362944488
SPT(16)	2715476565112372993	0 10 16 78 148 204 208 246 298 336 340 396 466 528 534 544	-128597672214
STPT(10)	2715477036131505461	0 2 6 8 48 50 90 92 96 98	342421460254
SPT(16)	2715477161276343091	0 36 42 52 82 88 130 136 222 228 270 276 306 316 322 358	467566297884
STPT(10)	2715477411107421767	0 2 42 44 72 74 102 104 144 146	717397376560
TPT(14)	2715477454533530261	0 2 66 68 78 80 120 122 126 128 156 158 198 200	760823485054
SPT(16)	2715477845096237323	0 64 70 76 88 90 130 148 186 204 244 246 258 264 270 334	1151386192116