G231313232213231312323132313232233131323131323223313232211323221   >>    G23131323221323131232313231323223313132313132322331323221132322   <<    G231313232213231312323132313232233131323131323223313232211323223   >>      G231313232213231312323132313232233131323131323223313232211323222   >>