D12121212121313232233132332313233313132322132313331323131323233221   >>    D1212121212131323223313233231323331313232213231333132313132323322   <<    D12121212121313232233132332313233313132322132313331323131323233223   >>      D12121212121313232233132332313233313132322132313331323131323233222   >>