1: (1 7 20)

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

2: (3 7 17)

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

3: (0 18 15)

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

4: (2 8 4)

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