Prime p₀= 1686096504146054459 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 18 20 40 8 12 4 14 16 14 4 12 8 40 20 18 12 (?)
a_n: 0 12 30 50 90 98 110 114 128 144 158 162 174 182 222 242 260 272
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: 272
Found by: CoolAtchOk
db: batch=79, k=18, 12 18 20 40 8 12 4 14 16

SPT(16)	1686095480558540899	0 40 42 72 84 100 102 130 204 232 234 250 262 292 294 334	-1023587513560
SPT(16)	1686095787768017737	0 12 40 46 66 70 82 96 100 114 126 130 150 156 184 196	-716378036722
SPT(16)	1686096114066413443	0 4 16 28 34 84 120 130 144 154 190 240 246 258 270 274	-390079641016
SPT(16)	1686096320417707169	0 20 32 48 102 104 144 158 174 188 228 230 284 300 312 332	-183728347290
SPT(16)	1686096341399197363	0 28 70 94 114 220 240 268 270 298 318 424 444 468 510 538	-162746857096
STPT(10)	1686096344687342639	0 2 42 44 60 62 78 80 120 122	-159458711820
STPT(10)	1686097037603946827	0 2 30 32 72 74 114 116 144 146	533457892368
STPT(10)	1686097190405556557	0 2 30 32 72 74 114 116 144 146	686259502098
STPT(10)	1686097259829698657	0 2 30 32 42 44 54 56 84 86	755683644198
STPT(10)	1686097499000035799	0 2 18 20 30 32 42 44 60 62	994853981340
SPT(16)	1686097877863090103	0 20 66 74 86 98 104 110 144 150 156 168 180 188 234 254	1373717035644