1: (3 7 15)

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

2: (3 8 11)

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

3: (6 17 9)

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

4: (5 14 10)

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