Prime p₀= 2378242582418874653 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 6 8 6 24 12 18 10 42 2 42 10 18 12 24 6 8 6 (?)
a_n: 0 6 14 20 44 56 74 84 126 128 170 180 198 210 234 240 248 254
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: 254
Found by: ChUcK
db: batch=81, k=18, 6 8 6 24 12 18 10 42 2

STPT(10)	2378240662767095639	0 2 42 44 60 62 78 80 120 122	-1919651779014
SPT(16)	2378241223661990623	0 4 76 114 124 144 156 210 214 268 280 300 310 348 420 424	-1358756884030
SPT(16)	2378241580824887009	0 30 72 114 144 198 212 218 234 240 254 308 338 380 422 452	-1001593987644
SPT(16)	2378242237789676459	0 12 42 50 78 84 104 110 132 138 158 164 192 200 230 242	-344629198194
STPT(10)	2378242365302520947	0 2 24 26 42 44 60 62 84 86	-217116353706
STPT(12)	2378242411018125917	0 2 24 26 42 44 192 194 210 212 234 236	-171400748736
STPT(10)	2378242619198079419	0 2 42 44 60 62 78 80 120 122	36779204766
SPT(16)	2378243318773871299	0 4 48 70 102 108 142 168 244 270 304 310 342 364 408 412	736354996646
TPT(14)	2378243492694859211	0 2 6 8 48 50 78 80 90 92 156 158 186 188	910275984558
SPT(16)	2378244068545243271	0 2 8 48 66 80 86 116 132 162 168 182 200 240 246 248	1486126368618
SPT(16)	2378244142625020309	0 28 52 70 132 138 148 180 190 222 232 238 300 318 342 370	1560206145656