SPSSs Order 36;

The first 2 SPSSs of this order were found by Ian Gambini in the late 1990s, up to 2013 Stephen Johnson had found 8. In 2013 Milla and Anderson found 1084 and in the same year James Williams found 47028. In 2014 Brian Trial found 186.

It is estimated that there are approximately 6.8 x 10^6 SPSSs in order 36.

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