1: (1 7 18)

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

2: (4 20 16)

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

3: (0 6 2)

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

4: (1 8 3)

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