Prime p₀= 1260840838831943021 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 30 30 12 60 30 24 24 30 60 12 30 30 (?)
a_n: 0 30 60 72 132 162 186 210 240 300 312 342 372
All 13 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 372
Found by: ANG3L
db: batch=77, k=13, 30 30 12 60 30 24

STPT(10)	1260840182855353937	0 2 90 92 132 134 174 176 264 266	-655976589084
SPT(16)	1260840236379724159	0 40 78 84 124 130 154 190 228 264 288 294 334 340 378 418	-602452218862
SPT(16)	1260840428273446519	0 4 30 154 160 184 210 220 252 262 288 312 318 442 468 472	-410558496502
SPT(16)	1260840597050064739	0 4 18 90 100 130 184 192 220 228 282 312 322 394 408 412	-241781878282
SPT(16)	1260840601785407593	0 46 66 88 108 156 166 184 210 228 238 286 306 328 348 394	-237046535428
SPT(16)	1260840797523779477	0 26 54 74 90 92 140 152 174 186 234 236 252 272 300 326	-41308163544
STPT(10)	1260841336003006787	0 2 12 14 42 44 72 74 84 86	497171063766
SPT(16)	1260841565064660949	0 24 40 54 100 130 132 174 220 262 264 294 340 354 370 394	726232717928
SPT(16)	1260841635992594129	0 38 74 108 134 152 158 210 302 354 360 378 404 438 474 512	797160651108
STPT(10)	1260841652844870287	0 2 42 44 72 74 102 104 144 146	814012927266
TPT(14)	1260841657855855811	0 2 30 32 36 38 138 140 156 158 168 170 180 182	819023912790