C111113331333132322331333133313331311211331311331333132222231121   >>    C11111333133313232233133313331333131121133131133133313222223112   <<    C111113331333132322331333133313331311211331311331333132222231123   >>      C111113331333132322331333133313331311211331311331333132222231122   >>