1: (3 6 10)

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

2: (10 13 16)

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

3: (1 7 5)

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

4: (4 11 9)

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