C23131111222331311211331323111133132233132313331323331323133313331313223321   >>    C2313111122233131121133132311113313223313231333132333132313331333131322332   <<    C23131111222331311211331323111133132233132313331323331323133313331313223323   >>      C23131111222331311211331323111133132233132313331323331323133313331313223322   >>