Prime p₀= 2550820537654696777 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 30 12 30 48 6 30 30 6 48 30 12 30 (?)
a_n: 0 30 42 72 120 126 156 186 192 240 270 282 312
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: 312
Found by: JayPi
db: batch=82, k=13, 30 12 30 48 6 30

SPT(16)	2550819526524301751	0 32 56 60 78 90 110 132 146 168 188 200 218 222 246 278	-1011130395026
SPT(16)	2550819752479695523	0 24 30 46 54 84 88 136 228 276 280 310 318 334 340 364	-785175001254
SPT(16)	2550820044590720657	0 14 30 60 74 102 182 192 242 252 332 360 374 404 420 434	-493063976120
SPT(16)	2550820051363590037	0 6 40 120 124 142 160 196 210 246 264 282 286 366 400 406	-486291106740
STPT(10)	2550820399234098317	0 2 30 32 42 44 54 56 84 86	-138420598460
SPT(16)	2550820437225537619	0 22 24 30 58 60 64 84 88 108 112 114 142 148 150 172	-100429159158
STPT(10)	2550820619956719347	0 2 12 14 42 44 72 74 84 86	82302022570
STPT(10)	2550820964068171979	0 2 30 32 60 62 90 92 120 122	426413475202
STPT(10)	2550821027748159371	0 2 6 8 18 20 30 32 36 38	490093462594
SPT(16)	2550821053531139797	0 4 24 42 46 64 70 90 106 126 132 150 154 172 192 196	515876443020
SPT(16)	2550821053580075527	0 34 54 70 84 132 144 160 186 202 214 262 276 292 312 346	515925378750