1: (0 3 7)

(0 5 3 20 1)(2 21 19 15 13 10 4)(6 11 8)(7)(9 16 12)(14 18 17)

2: (2 10 4)

(0 5 3 20 1)(2)(4)(6 11 8)(7)(9 16 12)(10 21 19 15 13)(14 18 17)

3: (6 11 8)

(0 5 3 20 1)(2)(4)(6)(7)(8)(9 16 12)(10 21 19 15 13)(11)(14 18 17)

4: (0 5 3)

(0 20 1)(2)(3)(4)(5)(6)(7)(8)(9 16 12)(10 21 19 15 13)(11)(14 18 17)