C3132121111331312113313331333133313331333132313331333133313331333132321212131   >>    C313212111133131211331333133313331333133313231333133313331333133313232121213   <<    C3132121111331312113313331333133313331333132313331333133313331333132321212133   >>      C3132121111331312113313331333133313331333132313331333133313331333132321212132   >>