Prime p₀= 2449763429776707119 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 8 4 2 36 10 32 6 4 38 4 6 32 10 36 2 4 8 (?)
a_n: 0 8 12 14 50 60 92 98 102 140 144 150 182 192 228 230 234 242
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: 242
Found by: JayPi
db: batch=82, k=18, 8 4 2 36 10 32 6 4 38

SPT(16)	2449761546408481667	0 24 84 104 140 174 180 206 234 260 266 300 336 356 416 440	-1883368225452
STPT(10)	2449761775899680027	0 2 30 32 60 62 90 92 120 122	-1653877027092
STPT(10)	2449762303169975501	0 2 36 38 78 80 120 122 156 158	-1126606731618
SPT(16)	2449762311449861669	0 2 50 60 72 78 98 114 128 144 164 170 182 192 240 242	-1118326845450
STPT(10)	2449762983428516849	0 2 30 32 60 62 90 92 120 122	-446348190270
STPT(10)	2449763254718691029	0 2 18 20 30 32 42 44 60 62	-175058016090
SPT(16)	2449763445012770833	0 24 94 100 174 198 216 220 234 238 256 280 354 360 430 454	15236063714
STPT(10)	2449763489067875327	0 2 12 14 42 44 72 74 84 86	59291168208
SPT(16)	2449763611038835439	0 14 32 38 54 80 90 110 132 152 162 188 204 210 228 242	181262128320
SPT(16)	2449764156484898887	0 6 22 34 54 64 82 142 144 204 222 232 252 264 280 286	726708191768
STPT(10)	2449764221876577677	0 2 30 32 120 122 210 212 240 242	792099870558