D12121212121313232233132332313233313132322132313331323131112321   >>    D1212121212131323223313233231323331313232213231333132313111232   <<    D12121212121313232233132332313233313132322132313331323131112323   >>      D12121212121313232233132332313233313132322132313331323131112322   >>