Ok its GCAC# tuning ( thats how i play it )
Intro/verse
G-------------------------------
C-------------------------------
A--------2--3~----------2---3~--
C#--0--1--------0---1-----------
[ Tab from: https://www.guitartabs.cc/tabs/b/blindside/pitiful_btab_ver_3.html ]
Chorus
G-----------------------------
C-----------------------------
A-----------------------------
C#---0---1--2-3-2--0-1-2-3-2--
Bridge/outro
G------------------------------------------------------------
C------------------------------------------------------------
A------------------------------------------------------------
C#---0-------------1---------------2-------3----------------2