Prime p₀= 1881998437884080563 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 6 60 10 60 8 10 32 18 16 18 32 10 8 60 10 60 6 (?)
a_n: 0 6 66 76 136 144 154 186 204 220 238 270 280 288 348 358 418 424
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: 424
Found by: [SG-FC] dingdong
db: batch=79, k=18, 6 60 10 60 8 10 32 18 16

SPT(16)	1881997281532296007	0 10 24 30 34 94 120 126 184 190 216 276 280 286 300 310	-1156351784556
STPT(10)	1881997648055316227	0 2 42 44 72 74 102 104 144 146	-789828764336
STPT(10)	1881998012359248599	0 2 12 14 30 32 48 50 60 62	-425524831964
SPT(16)	1881998063312179783	0 10 36 40 60 196 216 270 406 460 480 616 636 640 666 676	-374571900780
TPT(14)	1881998131155616457	0 2 42 44 60 62 144 146 174 176 282 284 294 296	-306728464106
STPT(10)	1881998319454967471	0 2 6 8 18 20 30 32 36 38	-118429113092
SPT(16)	1881998775935608873	0 64 78 114 118 138 154 226 228 300 316 336 340 376 390 454	338051528310
SPT(16)	1881998836522065269	0 8 30 38 50 92 98 158 162 222 228 270 282 290 312 320	398637984706
STPT(10)	1881998857191951467	0 2 30 32 72 74 114 116 144 146	419307870904
SPT(16)	1881998940373037513	0 26 54 56 74 84 86 96 188 198 200 210 228 230 258 284	502488956950
SPT(16)	1881998963595917809	0 4 24 58 70 112 168 174 178 184 240 282 294 328 348 352	525711837246