Prime p₀= 2412616683621867847 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 4 42 8 12 10 6 30 12 8 12 30 6 10 12 8 42 4 (?)
a_n: 0 4 46 54 66 76 82 112 124 132 144 174 180 190 202 210 252 256
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: 256
Found by: conf [MM]
db: batch=82, k=18, 4 42 8 12 10 6 30 12 8

SPT(13)	2412614744510493137	0 24 30 84 90 114 132 150 174 180 234 240 264	-1939111374710
TPT(14)	2412614867478027941	0 2 66 68 78 80 120 122 150 152 156 158 180 182	-1816143839906
TPT(14)	2412614893842682379	0 2 30 32 102 104 198 200 222 224 240 242 270 272	-1789779185468
STPT(10)	2412614914434806699	0 2 48 50 60 62 72 74 120 122	-1769187061148
STPT(10)	2412615388276831019	0 2 18 20 60 62 102 104 120 122	-1295345036828
SPT(16)	2412615449460883573	0 60 70 130 154 156 166 186 208 228 238 240 264 324 334 394	-1234160984274
SPT(16)	2412616870640665973	0 6 14 36 128 186 204 218 306 320 338 396 488 510 518 524	187018798126
STPT(10)	2412616889597415869	0 2 18 20 30 32 42 44 60 62	205975548022
SPT(16)	2412617658065444971	0 36 60 72 96 100 126 130 138 142 168 172 196 208 232 268	974443577124
SPT(16)	2412617674364869009	0 12 22 24 58 64 82 100 132 150 168 174 208 210 220 232	990743001162
SPT(16)	2412617800859117809	0 12 40 114 210 220 222 234 310 322 324 334 430 504 532 544	1117237249962