Prime p₀= 21640563218507243 starts a Symmetric tuple of 14 consecutive primes (SPT).
d_n: 0 14 76 18 32 16 8 76 8 16 32 18 76 14 (?)
a_n: 0 14 90 108 140 156 164 240 248 264 296 314 390 404
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: 404
Found by: stoneageman
db: batch=65, k=14, 14 76 18 32 16 8 76

SPT(14)	21640507483366319	0 18 38 72 74 80 120 122 162 168 170 204 224 242	-55735140924
STPT(10)	21640510114108181	0 2 6 8 18 20 30 32 36 38	-53104399062
SPT(14)	21640512462569167	0 6 12 24 40 52 72 94 114 126 142 154 160 166	-50755938076
SPT(14)	21640534791024301	0 12 42 60 78 120 132 208 220 262 280 298 328 340	-28427482942
TPT(12)	21640555403900891	0 2 6 8 78 80 96 98 120 122 126 128	-7814606352
SPT(14)	21640562249826797	0 2 12 14 90 104 132 224 252 266 342 344 354 356	-968680446
SPT(14)	21640586727044393	0 14 26 36 44 56 78 86 108 120 128 138 150 164	23508537150
SPT(14)	21640605253219501	0 22 76 82 90 106 118 120 132 148 156 162 216 238	42034712258
STPT(10)	21640606365090467	0 2 42 44 72 74 102 104 144 146	43146583224
SPT(14)	21640612584761063	0 36 38 56 84 150 164 180 194 260 288 306 308 344	49366253820
STPT(10)	21640620212192879	0 2 18 20 30 32 42 44 60 62	56993685636