G1213231313132322331313232233132313331323331323133313233313232233132322212121   >>    G121323131313232233131323223313231333132333132313331323331323223313232221212   <<    G1213231313132322331313232233132313331323331323133313233313232233132322212123   >>      G1213231313132322331313232233132313331323331323133313233313232233132322212122   >>