1: (6 9 15)

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

2: (5 10 7)

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

3: (4 13 9)

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

4: (8 14 12)

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