Prime p₀= 988822102630796653 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 6 18 42 18 6 30 30 6 18 42 18 6 (?)
a_n: 0 6 24 66 84 90 120 150 156 174 216 234 240
All 13 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 240
Found by: stoneageman
db: batch=76, k=13, 6 18 42 18 6 30

SPT(16)	988820376393321029	0 32 42 50 54 120 134 138 224 228 242 308 312 320 330 362	-1726237475624
SPT(16)	988820450822630731	0 12 30 76 78 96 118 162 166 210 232 250 252 298 316 328	-1651808165922
SPT(16)	988820622602311363	0 16 18 34 40 54 78 120 124 166 190 204 210 226 228 244	-1480028485290
SPT(16)	988821758254653203	0 6 26 44 48 66 86 104 150 168 188 206 210 228 248 254	-344376143450
STPT(12)	988821868764811139	0 2 42 44 132 134 168 170 258 260 300 302	-233865985514
SPT(16)	988822004477542153	0 10 18 84 90 94 100 154 234 288 294 298 304 370 378 388	-98153254500
SPT(16)	988822142050513633	0 18 58 106 136 144 186 214 300 328 370 378 408 456 496 514	39419716980
SPT(16)	988822189587387973	0 30 34 54 130 138 160 180 214 234 256 264 340 360 364 394	86956591320
STPT(10)	988822622843904437	0 2 30 32 42 44 54 56 84 86	520213107784
SPT(16)	988822913049508651	0 48 58 66 88 136 148 156 232 240 252 300 322 330 340 388	810418711998
STPT(10)	988822990976891867	0 2 24 26 42 44 60 62 84 86	888346095214