1: (8 10 15)

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

2: (1 5 10)

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

3: (0 6 4)

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

4: (5 15 7)

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