C111113331333132322331333133313331323323221211113313331313233333111   >>    C11111333133313232233133313331333132332322121111331333131323333311   <<    C111113331333132322331333133313331323323221211113313331313233333113   >>      C111113331333132322331333133313331323323221211113313331313233333112   >>