G13113313231323133313331333133313232233132313331323223313232212322121   >>    G1311331323132313331333133313331323223313231333132322331323221232212   <<    G13113313231323133313331333133313232233132313331323223313232212322123   >>      G13113313231323133313331333133313232233132313331323223313232212322122   >>