1: (7 13 17)

(0 19 2)(1 9 3)(4 14 11)(5 10 7 15 13)(6 12 8)(16 20 18)(17)

2: (4 14 11)

(0 19 2)(1 9 3)(4)(5 10 7 15 13)(6 12 8)(11)(14)(16 20 18)(17)

3: (6 12 8)

(0 19 2)(1 9 3)(4)(5 10 7 15 13)(6)(8)(11)(12)(14)(16 20 18)(17)

4: (5 15 13)

(0 19 2)(1 9 3)(4)(5)(6)(7 15 10)(8)(11)(12)(13)(14)(16 20 18)(17)