1: (2 7 10)

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

2: (6 13 8)

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

3: (4 11 9)

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

4: (3 12 10)

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