1: (1 5 8)

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

2: (5 12 20)

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

3: (0 17 2)

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

4: (6 13 9)

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