Prime p₀= 840138886228362293 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 6 20 30 12 16 20 6 16 12 8 12 16 6 20 16 12 30 20 6 (?)
a_n: 0 6 26 56 68 84 104 110 126 138 146 158 174 180 200 216 228 258 278 284
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: 284
derived by truncating larger tuple
Found by: RFGuy_KCCO
db: batch=73, k=20, 6 20 30 12 16 20 6 16 12 8

SPT(16)	840136095305789197	0 4 12 16 34 60 66 100 126 160 166 192 210 214 222 226	-2790922573096
STPT(10)	840136478973493367	0 2 12 14 42 44 72 74 84 86	-2407254868926
STPT(10)	840136585098450719	0 2 48 50 60 62 72 74 120 122	-2301129911574
STPT(10)	840138022079365967	0 2 12 14 42 44 72 74 84 86	-864148996326
STPT(10)	840138198416686157	0 2 72 74 102 104 132 134 204 206	-687811676136
SPT(22)	840138886228362239	0 54 60 80 110 122 138 158 164 180 192 200 212 228 234 254 270 282 312 332 338 392	-54
STPT(10)	840139058538837677	0 2 42 44 72 74 102 104 144 146	172310475384
TPT(14)	840139134222545609	0 2 18 20 48 50 168 170 180 182 240 242 258 260	247994183316
SPT(16)	840139173226166533	0 10 16 30 46 58 90 108 136 154 186 198 214 228 234 244	286997804240
SPT(16)	840139197874362787	0 22 36 66 70 76 90 136 186 232 246 252 256 286 300 322	311646000494
TPT(14)	840139524486689849	0 2 42 44 48 50 78 80 132 134 168 170 240 242	638258327556
SPT(16)	840139531178057717	0 12 26 32 116 126 180 192 194 206 260 270 354 360 374 386	644949695424