1: (7 16 18)

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

2: (1 3 18)

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

3: (2 20 4)

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

4: (3 19 16)

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