D132312121111331313231232313232233132313331313223313232213231131   >>    D13231212111133131323123231323223313231333131322331323221323113   <<    D132312121111331313231232313232233132313331313223313232213231133   >>      D132312121111331313231232313232233132313331313223313232213231132   >>