1: (0 10 20)

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

2: (1 3 20)

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

3: (2 17 4)

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

4: (8 18 16)

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