1: (2 6 10)

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

2: (5 13 7)

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

3: (4 11 9)

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

4: (3 12 10)

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