1: (4 6 10)

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

2: (8 10 12)

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

3: (9 17 11)

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

4: (1 7 5)

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