1: (5 9 12)

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

2: (2 4 9)

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

3: (8 13 10)

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

4: (4 12 6)

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