1: (2 7 10)

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

2: (5 13 8)

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

3: (2 15 6)

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

4: (4 11 9)

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