C3132121111331312113313331333133313331322121133133313222112312111   >>    C313212111133131211331333133313331333132212113313331322211231211   <<    C3132121111331312113313331333133313331322121133133313222112312113   >>      C3132121111331312113313331333133313331322121133133313222112312112   >>