C111113331333132322331333133313331311331322331333131133131122313233121   >>    C11111333133313232233133313331333131133132233133313113313112231323312   <<    C111113331333132322331333133313331311331322331333131133131122313233123   >>      C111113331333132322331333133313331311331322331333131133131122313233122   >>