1: (3 8 15)

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

2: (1 9 7)

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

3: (8 16 13)

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

4: (2 20 4)

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