Prime p₀= 1233828716686449517 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 30 4 20 10 18 18 2 30 22 30 2 18 18 10 20 4 30 (?)
a_n: 0 30 34 54 64 82 100 102 132 154 184 186 204 222 232 252 256 286
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: 286
Found by: damotbe
db: batch=77, k=18, 30 4 20 10 18 18 2 30 22

STPT(10)	1233827971526892821	0 2 30 32 78 80 126 128 156 158	-745159556696
SPT(16)	1233827992835365337	0 14 42 104 114 132 194 242 282 330 392 410 420 482 510 524	-723851084180
SPT(16)	1233828037656695587	0 30 94 100 124 142 162 166 210 214 234 252 276 282 346 376	-679029753930
SPT(16)	1233828205709642233	0 4 18 66 84 88 126 136 138 148 186 190 208 256 270 274	-510976807284
SPT(16)	1233828621513464261	0 36 62 96 98 110 126 162 206 242 258 270 272 306 332 368	-95172985256
STPT(10)	1233828635947533761	0 2 36 38 78 80 120 122 156 158	-80738915756
SPT(16)	1233828920361994603	0 10 54 136 160 190 196 216 238 258 264 294 318 400 444 454	203675545086
SPT(16)	1233828923410252703	0 14 48 56 66 80 84 158 216 290 294 308 318 326 360 374	206723803186
SPT(18)	1233829426203821789	0 44 80 84 114 122 150 210 212 222 224 284 312 320 350 354 390 434	709517372272
SPT(16)	1233829429247435819	0 24 42 50 80 108 110 138 164 192 194 222 252 260 278 302	712560986302
STPT(10)	1233829436736128537	0 2 30 32 42 44 54 56 84 86	720049679020