G131133132313231333133313331333131133133313232233132333133313231211   >>    G13113313231323133313331333133313113313331323223313233313331323121   <<    G131133132313231333133313331333131133133313232233132333133313231213   >>      G131133132313231333133313331333131133133313232233132333133313231212   >>