C1111133313331323223313331333133313331333131211113313331311211331312111   >>    C111113331333132322331333133313331333133313121111331333131121133131211   <<    C1111133313331323223313331333133313331333131211113313331311211331312113   >>      C1111133313331323223313331333133313331333131211113313331311211331312112   >>