1: (4 10 15)

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

2: (0 11 9)

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

3: (3 16 6)

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

4: (1 12 10)

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