G131133132313231333133313331333131133133313232233132313231211211   >>    G13113313231323133313331333133313113313331323223313231323121121   <<    G131133132313231333133313331333131133133313232233132313231211213   >>      G131133132313231333133313331333131133133313232233132313231211212   >>