1: (4 8 10)

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

2: (7 11 9)

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

3: (6 13 10)

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

4: (2 12 5)

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