G131133132313231333133313331333131133133313331311331323213223211   >>    G13113313231323133313331333133313113313331333131133132321322321   <<    G131133132313231333133313331333131133133313331311331323213223213   >>      G131133132313231333133313331333131133133313331311331323213223212   >>