D12121323331313331312313231323223313132322331323111323132313231121   >>    D1212132333131333131231323132322331313232233132311132313231323112   <<    D12121323331313331312313231323223313132322331323111323132313231123   >>      D12121323331313331312313231323223313132322331323111323132313231122   >>