G12132313131323223313132322331313232213231323133313132311211321   >>    G1213231313132322331313232233131323221323132313331313231121132   <<    G12132313131323223313132322331313232213231323133313132311211323   >>      G12132313131323223313132322331313232213231323133313132311211322   >>