C3132121111331312113313331333133313331333112331333131211111333133313232231321   >>    C313212111133131211331333133313331333133311233133313121111133313331323223132   <<    C3132121111331312113313331333133313331333112331333131211111333133313232231323   >>      C3132121111331312113313331333133313331333112331333131211111333133313232231322   >>