1: (1 3 7)

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

2: (7 8 13)

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

3: (2 20 4)

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

4: (3 13 6)

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