Prime p₀= 2563223667711025511 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 138 6 6 6 20 4 20 4 20 4 20 6 6 6 138 12 (?)
a_n: 0 12 150 156 162 168 188 192 212 216 236 240 260 266 272 278 416 428
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: 428
Found by: RFGuy_KCCO
db: batch=82, k=18, 12 138 6 6 6 20 4 20 4

SPT(16)	2563221874374844819	0 22 30 54 82 112 132 138 184 190 210 240 268 292 300 322	-1793336180692
SPT(16)	2563221913750923793	0 54 58 96 124 198 214 228 406 420 436 510 538 576 580 634	-1753960101718
SPT(16)	2563221997083649361	0 38 42 48 50 78 80 108 122 150 152 180 182 188 192 230	-1670627376150
STPT(10)	2563222555046840411	0 2 6 8 48 50 90 92 96 98	-1112664185100
SPT(16)	2563223110254001541	0 2 12 38 56 90 92 108 110 126 128 162 180 206 216 218	-557457023970
SPT(16)	2563223356757805971	0 26 36 42 78 80 98 108 110 120 138 140 176 182 192 218	-310953219540
STPT(10)	2563223738123974019	0 2 48 50 90 92 132 134 180 182	70412948508
TPT(14)	2563223805422289677	0 2 54 56 120 122 132 134 174 176 192 194 330 332	137711264166
STPT(10)	2563223889923859287	0 2 30 32 72 74 114 116 144 146	222212833776
STPT(10)	2563224010969355009	0 2 48 50 90 92 132 134 180 182	343258329498
TPT(14)	2563224226945877177	0 2 12 14 42 44 90 92 102 104 144 146 174 176	559234851666