1: (3 5 9)

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

2: (6 9 20)

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

3: (2 18 4)

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

4: (0 19 16)

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