C3132121111331312113313331333133313331333132313231333133313331333132233323211   >>    C313212111133131211331333133313331333133313231323133313331333133313223332321   <<    C3132121111331312113313331333133313331333132313231333133313331333132233323213   >>      C3132121111331312113313331333133313331333132313231333133313331333132233323212   >>