Small BCK algebras of order 5.20

list:=[
[# 1
[ 1, 2, 3, 4, 5 ],
[ 1, 1, 3, 4, 5 ],
[ 1, 1, 1, 4, 5 ],
[ 1, 1, 3, 1, 5 ],
[ 1, 1, 3, 4, 1 ]
],
[# 2
[ 1, 2, 3, 4, 5 ],
[ 1, 1, 3, 4, 2 ],
[ 1, 1, 1, 4, 2 ],
[ 1, 1, 3, 1, 2 ],
[ 1, 1, 3, 4, 1 ]
],
[# 3
[ 1, 2, 3, 4, 5 ],
[ 1, 1, 2, 4, 2 ],
[ 1, 1, 1, 4, 2 ],
[ 1, 1, 2, 1, 2 ],
[ 1, 1, 2, 4, 1 ]
],
[# 4
[ 1, 2, 3, 4, 5 ],
[ 1, 1, 2, 2, 2 ],
[ 1, 1, 1, 2, 2 ],
[ 1, 1, 2, 1, 2 ],
[ 1, 1, 2, 2, 1 ]
]
];