D12121111111123313133313133313231131323132322331323132323323222331   >>    D1212111111112331313331313331323113132313232233132313232332322233   <<    D12121111111123313133313133313231131323132322331323132323323222333   >>      D12121111111123313133313133313231131323132322331323132323323222332   >>