D121212121213132322331323323132333131323133313132321133132313231323121   >>    D12121212121313232233132332313233313132313331313232113313231323132312   <<    D121212121213132322331323323132333131323133313132321133132313231323123   >>      D121212121213132322331323323132333131323133313132321133132313231323122   >>