D132312121111331313231232313232233132333132322223313231333132322331323221121   >>    D13231212111133131323123231323223313233313232222331323133313232233132322112   <<    D132312121111331313231232313232233132333132322223313231333132322331323221123   >>      D132312121111331313231232313232233132333132322223313231333132322331323221122   >>