Prime p₀= 1232648257820917841 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 30 30 42 18 6 30 30 6 18 42 30 30 (?)
a_n: 0 30 60 102 120 126 156 186 192 210 252 282 312
All 13 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 312
Found by: stoneageman
db: batch=77, k=13, 30 30 42 18 6 30

SPT(16)	1232647226917328399	0 24 30 38 60 72 108 114 218 224 260 272 294 302 308 332	-1030903589442
SPT(16)	1232647266813899281	0 42 72 100 112 120 130 142 156 168 178 186 198 226 256 298	-991007018560
STPT(10)	1232647571481473669	0 2 18 20 30 32 42 44 60 62	-686339444172
SPT(16)	1232647745087847793	0 6 84 90 148 174 204 220 234 250 280 306 364 370 448 454	-512733070048
STPT(10)	1232648123988275567	0 2 60 62 72 74 84 86 144 146	-133832642274
STPT(10)	1232648125474361381	0 2 30 32 60 62 90 92 120 122	-132346556460
SPT(16)	1232648290637351179	0 4 12 18 28 42 48 72 100 124 130 144 154 160 168 172	32816433338
TPT(14)	1232648312553547781	0 2 48 50 66 68 90 92 126 128 168 170 210 212	54732629940
STPT(10)	1232648863382370479	0 2 48 50 90 92 132 134 180 182	605561452638
SPT(13)	1232648897146279631	0 12 18 30 42 78 120 162 198 210 222 228 240	639325361790
SPT(16)	1232649117610904473	0 30 58 64 78 156 186 190 204 208 238 316 330 336 364 394	859789986632