G131133132313231333133313331333131133133313232233132313232112111   >>    G13113313231323133313331333133313113313331323223313231323211211   <<    G131133132313231333133313331333131133133313232233132313232112113   >>      G131133132313231333133313331333131133133313232233132313232112112   >>