1: (1 4 15)

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

2: (0 7 2)

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

3: (3 20 5)

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

4: (4 16 6)

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