D3312121211331322331313232233132333132333132233132333132332333221   >>    D331212121133132233131323223313233313233313223313233313233233322   <<    D3312121211331322331313232233132333132333132233132333132332333223   >>      D3312121211331322331313232233132333132333132233132333132332333222   >>