Prime p₀= 2473989122345778221 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 18 30 14 16 42 2 28 12 26 12 28 2 42 16 14 30 18 (?)
a_n: 0 18 48 62 78 120 122 150 162 188 200 228 230 272 288 302 332 350
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: 350
Found by: LCB001
db: batch=82, k=18, 18 30 14 16 42 2 28 12 26

STPT(10)	2473987807025332067	0 2 30 32 42 44 54 56 84 86	-1315320446154
STPT(10)	2473987838491818599	0 2 18 20 30 32 42 44 60 62	-1283853959622
SPT(16)	2473988351432726021	0 32 38 48 56 80 98 116 132 150 168 192 200 210 216 248	-770913052200
STPT(10)	2473988629362023099	0 2 18 20 30 32 42 44 60 62	-492983755122
SPT(16)	2473988824408263529	0 22 42 58 72 78 90 108 124 142 154 160 174 190 210 232	-297937514692
SPT(16)	2473988974772000563	0 30 34 106 124 148 184 216 268 300 336 360 378 450 454 484	-147573777658
SPT(16)	2473989929902365731	0 48 50 72 80 108 120 132 206 218 230 258 266 288 290 338	807556587510
STPT(10)	2473990153038111647	0 2 30 32 60 62 90 92 120 122	1030692333426
SPT(16)	2473990259051989739	0 24 54 90 102 132 140 224 228 312 320 350 362 398 428 452	1136706211518
TPT(14)	2473990375821360131	0 2 66 68 156 158 168 170 180 182 348 350 366 368	1253475581910
STPT(10)	2473990470525283811	0 2 6 8 48 50 90 92 96 98	1348179505590