D12121212121313232233132332313231333132313233313222313231323132323321   >>    D1212121212131323223313233231323133313231323331322231323132313232332   <<    D12121212121313232233132332313231333132313233313222313231323132323323   >>      D12121212121313232233132332313231333132313233313222313231323132323322   >>