1: (2 4 8)

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

2: (4 12 19)

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

3: (1 16 3)

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

4: (14 20 18)

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