1: (4 6 16)

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

2: (5 20 7)

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

3: (2 16 11)

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

4: (1 9 3)

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