Prime p₀= 1285993086341469427 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 4 32 6 10 18 6 6 14 64 14 6 6 18 10 6 32 4 (?)
a_n: 0 4 36 42 52 70 76 82 96 160 174 180 186 204 214 220 252 256
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: Cruncher Pete
db: batch=77, k=18, 4 32 6 10 18 6 6 14 64

SPT(16)	1285991752612723489	0 12 34 42 48 64 72 82 120 130 138 154 160 168 190 202	-1333728745938
SPT(16)	1285992412819234397	0 50 56 72 90 96 104 132 134 162 170 176 194 210 216 266	-673522235030
TPT(14)	1285992654259267037	0 2 42 44 54 56 72 74 114 116 210 212 222 224	-432082202390
SPT(16)	1285992674145935999	0 18 42 62 122 144 174 182 210 218 248 270 330 350 374 392	-412195533428
STPT(10)	1285992684331163951	0 2 6 8 18 20 30 32 36 38	-402010305476
SPT(16)	1285992720144882479	0 20 32 42 60 134 144 162 170 188 198 272 290 300 312 332	-366196586948
SPT(16)	1285994021057757203	0 14 36 38 48 78 80 104 150 174 176 206 216 218 240 254	934716287776
STPT(10)	1285994963763346979	0 2 18 20 30 32 42 44 60 62	1877421877552
STPT(10)	1285995450154307237	0 2 90 92 102 104 114 116 204 206	2363812837810
SPT(16)	1285995606881096323	0 6 36 60 64 70 94 136 168 210 234 240 244 268 298 304	2520539626896
SPT(16)	1285995659314351829	0 12 20 90 110 128 140 182 210 252 264 282 302 372 380 392	2572972882402