1: (2 5 16)

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

2: (1 7 4)

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

3: (5 17 9)

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

4: (6 15 8)

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