C3132121111331312113313331333133313331333132313331333132333133313231323211   >>    C313212111133131211331333133313331333133313231333133313233313331323132321   <<    C3132121111331312113313331333133313331333132313331333132333133313231323213   >>      C3132121111331312113313331333133313331333132313331333132333133313231323212   >>