1: (5 8 18)

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

2: (4 11 6)

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

3: (1 9 7)

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

4: (0 10 8)

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