G12132313131323223313132322331323133313233313231333132313311221   >>    G1213231313132322331313232233132313331323331323133313231331122   <<    G12132313131323223313132322331323133313233313231333132313311223   >>      G12132313131323223313132322331323133313233313231333132313311222   >>