C3132121111133313233121111331333133313331312121111331333113313331323233211   >>    C313212111113331323312111133133313331333131212111133133311331333132323321   <<    C3132121111133313233121111331333133313331312121111331333113313331323233213   >>      C3132121111133313233121111331333133313331312121111331333113313331323233212   >>