C3132121111331312113313331333133313331333112331333131211111133133313223321   >>    C313212111133131211331333133313331333133311233133313121111113313331322332   <<    C3132121111331312113313331333133313331333112331333131211111133133313223323   >>      C3132121111331312113313331333133313331333112331333131211111133133313223322   >>