G1212121123313131133132213231322331323223313133313233313231323211211   >>    G121212112331313113313221323132233132322331313331323331323132321121   <<    G1212121123313131133132213231322331323223313133313233313231323211213   >>      G1212121123313131133132213231322331323223313133313233313231323211212   >>