G131133132313231333133313331333131133133313232233132333112312221   >>    G13113313231323133313331333133313113313331323223313233311231222   <<    G131133132313231333133313331333131133133313232233132333112312223   >>      G131133132313231333133313331333131133133313232233132333112312222   >>