C111113331333132322331333133313331311331323133313133313233313122121   >>    C11111333133313232233133313331333131133132313331313331323331312212   <<    C111113331333132322331333133313331311331323133313133313233313122123   >>      C111113331333132322331333133313331311331323133313133313233313122122   >>