Prime p₀= 1121781281638285673 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 18 8 28 12 30 14 54 22 2 22 54 14 30 12 28 8 18 (?)
a_n: 0 18 26 54 66 96 110 164 186 188 210 264 278 308 320 348 356 374
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: 374
Found by: schoussi
db: batch=76, k=18, 18 8 28 12 30 14 54 22 2

SPT(16)	1121780570682197611	0 6 28 40 52 108 148 168 190 210 250 306 318 330 352 358	-710956088062
SPT(16)	1121780870200023773	0 24 36 38 48 78 98 108 116 126 146 176 186 188 200 224	-411438261900
STPT(10)	1121780974085855231	0 2 36 38 78 80 120 122 156 158	-307552430442
SPT(13)	1121780977573826287	0 6 60 72 126 132 156 180 186 240 252 306 312	-304064459386
SPT(16)	1121781010965904171	0 70 106 112 120 142 156 178 240 262 276 298 306 312 348 418	-270672381502
SPT(16)	1121781170857442213	0 24 26 30 44 66 110 126 128 144 188 210 224 228 230 254	-110780843460
SPT(16)	1121781362168559611	0 2 26 78 80 96 102 120 158 176 182 198 200 252 276 278	80530273938
SPT(16)	1121781388396168531	0 30 52 82 126 150 180 192 196 208 238 262 306 336 358 388	106757882858
SPT(16)	1121781392295032537	0 26 90 96 122 132 144 150 176 182 194 204 230 236 300 326	110656746864
STPT(10)	1121781693993463829	0 2 18 20 30 32 42 44 60 62	412355178156
SPT(18)	1121781836074137299	0 32 54 68 78 90 92 144 152 210 218 270 272 284 294 308 330 362	554435851626