Prime p₀= 1248506038893481397 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 24 20 42 64 6 6 14 6 52 6 14 6 6 64 42 20 24 (?)
a_n: 0 24 44 86 150 156 162 176 182 234 240 254 260 266 330 372 392 416
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: 416
Found by: biodoc
db: batch=77, k=18, 24 20 42 64 6 6 14 6 52

STPT(10)	1248504572166847901	0 2 6 8 48 50 90 92 96 98	-1466726633496
STPT(10)	1248504898390867301	0 2 30 32 60 62 90 92 120 122	-1140502614096
SPT(16)	1248504989078840489	0 2 20 38 50 90 98 120 140 162 170 210 222 240 258 260	-1049814640908
TPT(14)	1248505253309318567	0 2 12 14 24 26 120 122 162 164 294 296 300 302	-785584162830
STPT(10)	1248505278879831521	0 2 6 8 48 50 90 92 96 98	-760013649876
SPT(16)	1248505578380557451	0 30 38 80 108 120 128 132 206 210 218 230 258 300 308 338	-460512923946
TPT(14)	1248506320572030197	0 2 12 14 42 44 144 146 150 152 192 194 210 212	281678548800
STPT(10)	1248506336853329921	0 2 6 8 48 50 90 92 96 98	297959848524
SPT(16)	1248506494157936639	0 2 14 38 42 62 72 150 152 230 240 260 264 288 300 302	455264455242
STPT(10)	1248506740526893889	0 2 18 20 30 32 42 44 60 62	701633412492
SPT(16)	1248506896473024341	0 62 72 98 132 140 156 168 230 242 258 266 300 326 336 398	857579542944