1: (2 5 13)

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

2: (1 10 4)

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

3: (3 7 13)

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

4: (6 20 8)

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