Prime p₀= 13388148635660389 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 64 6 12 12 44 10 26 4 6 74 6 4 26 10 44 12 12 6 64 (?)
a_n: 0 64 70 82 94 138 148 174 178 184 258 264 268 294 304 348 360 372 378 442
All 20 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 442
derived by truncating larger tuple
Found by: stoneageman
db: batch=64, k=20, 64 6 12 12 44 10 26 4 6 74

SPT(14)	13388129353531721	0 6 12 18 38 96 116 132 152 210 230 236 242 248	-19282128668
TPT(12)	13388130446677109	0 2 12 14 90 92 102 104 132 134 138 140	-18188983280
SPT(14)	13388138795638099	0 12 42 78 82 120 124 138 142 180 184 220 250 262	-9840022290
SPT(14)	13388138859217819	0 42 60 100 112 118 160 180 222 228 240 280 298 340	-9776442570
STPT(10)	13388142181421471	0 2 36 38 78 80 120 122 156 158	-6454238918
SPT(22)	13388148635660387	0 2 66 72 84 96 140 150 176 180 186 260 266 270 296 306 350 362 374 380 444 446	-2
TPT(12)	13388152330295837	0 2 42 44 84 86 90 92 120 122 132 134	3694635448
SPT(14)	13388168868283273	0 4 18 28 88 106 126 208 228 246 306 316 330 334	20232622884
TPT(12)	13388179458219617	0 2 30 32 42 44 72 74 102 104 174 176	30822559228
SPT(14)	13388198833827313	0 40 48 58 66 100 160 174 234 268 276 286 294 334	50198166924
SPT(14)	13388211360998261	0 2 8 56 78 86 98 120 132 140 162 210 216 218	62725337872
SPT(14)	13388215797874439	0 20 42 54 60 68 74 78 84 92 98 110 132 152	67162214050