C1111133313331323223313331333133313331322133313331323221211113313232313131   >>    C111113331333132322331333133313331333132213331333132322121111331323231313   <<    C1111133313331323223313331333133313331322133313331323221211113313232313133   >>      C1111133313331323223313331333133313331322133313331323221211113313232313132   >>