In which of the following oxoacids of sulphur all the sulphur atoms exhibit same oxidation state values 

(1) In $H_2{S}_2{O}_3,$  O states of ‘S’ are +6 and – 2
(2) In   $H_2{S}_2{O}_6,$both the ‘S’ atoms exhibit +5 Oxidation State
(3) In $H_2{S}_2{O}_7,$  both the ‘S’ atoms exhibit +6 Oxidation State
(4) In $H_2{S}_2{O}_8,$  both the ‘S’ atoms exhibit +6 Oxidation State