D132312121111331313231232313232233132313331313223313132313232211   >>    D13231212111133131323123231323223313231333131322331313231323221   <<    D132312121111331313231232313232233132313331313223313132313232213   >>      D132312121111331313231232313232233132313331313223313132313232212   >>