Prime p₀= 1978994163158480557 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 12 10 18 20 30 6 30 4 30 6 30 20 18 10 12 (?)
a_n: 0 12 22 40 60 90 96 126 130 160 166 196 216 234 244 256
All 16 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: Dingo
db: batch=80, k=16, 12 10 18 20 30 6 30 4

SPT(16)	1978992492112051391	0 26 30 86 92 96 98 110 138 150 152 156 162 218 222 248	-1671046429166
STPT(10)	1978993057123170617	0 2 12 14 42 44 72 74 84 86	-1106035309940
TPT(14)	1978993329022545377	0 2 24 26 84 86 180 182 222 224 252 254 300 302	-834135935180
STPT(10)	1978993424815067189	0 2 42 44 90 92 138 140 180 182	-738343413368
STPT(10)	1978993666787311091	0 2 30 32 78 80 126 128 156 158	-496371169466
SPT(16)	1978993946542456057	0 16 42 70 100 102 126 144 172 190 214 216 246 274 300 316	-216616024500
SPT(16)	1978994292971734937	0 20 26 56 86 90 114 222 224 332 356 360 390 420 426 446	129813254380
SPT(16)	1978994631474794569	0 12 18 30 52 108 130 138 142 150 172 228 250 262 268 280	468316314012
SPT(16)	1978994739486049993	0 16 30 54 78 130 144 186 208 250 264 316 340 364 378 394	576327569436
STPT(10)	1978995024155122409	0 2 42 44 60 62 78 80 120 122	860996641852
STPT(10)	1978996183783364111	0 2 36 38 78 80 120 122 156 158	2020624883554