1: (2 5 8)

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

2: (6 8 12)

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

3: (1 10 3)

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

4: (9 14 11)

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