1: (2 6 18)

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

2: (1 16 3)

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

3: (2 9 4)

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

4: (5 11 7)

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