D23312331311331313231323223313232113313113313331122313232233311   >>    D2331233131133131323132322331323211331311331333112231323223331   <<    D23312331311331313231323223313232113313113313331122313232233313   >>      D23312331311331313231323223313232113313113313331122313232233312   >>