C3132121111331312113313331333133313331322121133133313223313112111   >>    C313212111133131211331333133313331333132212113313331322331311211   <<    C3132121111331312113313331333133313331322121133133313223313112113   >>      C3132121111331312113313331333133313331322121133133313223313112112   >>