D132312121111331313231232313232233132333132322223313231333131323223221   >>    D13231212111133131323123231323223313233313232222331323133313132322322   <<    D132312121111331313231232313232233132333132322223313231333131323223223   >>      D132312121111331313231232313232233132333132322223313231333131323223222   >>