select clone, instance, cln, inst, count(*)
from sysibm.sysTablespace s
left join
(select 'N', 1, 1, '-' from sysibm.sysDummy1
union all select 'Y', 1, 1, 'B' cl from sysibm.sysDummy1
union all select 'Y', 1, 2, 'C' cl from sysibm.sysDummy1
union all select 'Y', 2, 1, 'C' cl from sysibm.sysDummy1
union all select 'Y', 2, 2, 'B' cl from sysibm.sysDummy1
) i (sC, sI, inst, cln)
on s.clone = i.sC and s.instance = sI
group by clone, instance, cln, inst