D3312121211331322331313232233132333132333132233132313331333132332113221   >>    D331212121133132233131323223313233313233313223313231333133313233211322   <<    D3312121211331322331313232233132333132333132233132313331333132332113223   >>      D3312121211331322331313232233132333132333132233132313331333132332113222   >>