G13113313231323133313331333133313232233132313331323123232212331   >>    G1311331323132313331333133313331323223313231333132312323221233   <<    G13113313231323133313331333133313232233132313331323123232212333   >>      G13113313231323133313331333133313232233132313331323123232212332   >>