C1111121111331311211331333133313331333133313321333133313331322331312111   >>    C111112111133131121133133313331333133313331332133313331333132233131211   <<    C1111121111331311211331333133313331333133313321333133313331322331312113   >>      C1111121111331311211331333133313331333133313321333133313331322331312112   >>