Prime p₀= 38863447730120291 starts a Symmetric tuple of 14 consecutive primes (SPT).
d_n: 0 12 30 26 58 62 4 74 4 62 58 26 30 12 (?)
a_n: 0 12 42 68 126 188 192 266 270 332 390 416 446 458
All 14 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 458
Found by: Cruncher Pete
db: batch=65, k=14, 12 30 26 58 62 4 74

SPT(14)	38863391205553597	0 46 60 72 82 90 112 144 166 174 184 196 210 256	-56524566694
SPT(14)	38863393374070459	0 34 42 90 102 112 124 138 150 160 172 220 228 262	-54356049832
SPT(14)	38863393876600127	0 30 50 60 80 90 102 104 116 126 146 156 176 206	-53853520164
SPT(14)	38863412678463643	0 30 40 54 58 64 70 84 90 96 100 114 124 154	-35051656648
SPT(14)	38863423772160791	0 26 30 38 56 60 90 248 278 282 300 308 312 338	-23957959500
SPT(14)	38863442886614557	0 16 70 72 112 136 142 150 156 180 220 222 276 292	-4843505734
SPT(14)	38863448944296791	0 26 42 62 66 68 72 146 150 152 156 176 192 218	1214176500
SPT(14)	38863452406254347	0 32 60 84 134 144 182 204 242 252 302 326 354 386	4676134056
SPT(14)	38863460417421361	0 96 108 120 126 166 168 190 192 232 238 250 262 358	12687301070
SPT(14)	38863460761619281	0 40 42 58 76 82 102 196 216 222 240 256 258 298	13031498990
TPT(12)	38863476860081591	0 2 126 128 180 182 186 188 300 302 366 368	29129961300