Prime p₀= 217313117930904323 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 30 14 4 6 6 24 44 30 10 2 10 30 44 24 6 6 4 14 30 (?)
a_n: 0 30 44 48 54 60 84 128 158 168 170 180 210 254 278 284 290 294 308 338
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: 338
derived by truncating larger tuple
Found by: Ralfy
db: batch=69, k=20, 30 14 4 6 6 24 44 30 10 2

STPT(10)	217313058854574647	0 2 30 32 42 44 54 56 84 86	-59076329676
SPT(14)	217313070518771389	0 24 28 30 40 84 100 192 208 252 262 264 268 292	-47412132934
TPT(12)	217313073345216221	0 2 6 8 90 92 126 128 198 200 246 248	-44585688102
SPT(14)	217313081498374691	0 8 20 36 60 62 78 110 126 128 152 168 180 188	-36432529632
SPT(14)	217313117509357483	0 18 48 70 96 118 136 168 186 208 234 256 286 304	-421546840
SPT(22)	217313117930904311	0 12 42 56 60 66 72 96 140 170 180 182 192 222 266 290 296 302 306 320 350 362	-12
SPT(14)	217313121217334579	0 8 54 78 84 92 110 192 210 218 224 248 294 302	3286430256
SPT(14)	217313138434789003	0 6 10 24 66 78 88 126 136 148 190 204 208 214	20503884680
STPT(10)	217313147669263169	0 2 18 20 30 32 42 44 60 62	29738358846
SPT(14)	217313178140188477	0 40 42 64 90 120 124 162 166 196 222 244 246 286	60209284154
SPT(14)	217313192463275611	0 22 28 42 76 132 136 192 196 252 286 300 306 328	74532371288
TPT(12)	217313222938450589	0 2 60 62 150 152 168 170 222 224 228 230	105007546266