C1111133313331323223313331333133313331323131313121111331333133313223313121211   >>    C111113331333132322331333133313331333132313131312111133133313331322331312121   <<    C1111133313331323223313331333133313331323131313121111331333133313223313121213   >>      C1111133313331323223313331333133313331323131313121111331333133313223313121212   >>