G12132313131323223313132322331313231323232233132311233132323211   >>    G1213231313132322331313232233131323132323223313231123313232321   <<    G12132313131323223313132322331313231323232233132311233132323213   >>      G12132313131323223313132322331313231323232233132311233132323212   >>