1: (2 7 17)

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

2: (0 8 6)

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

3: (7 18 9)

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

4: (4 20 16)

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