1: (1 2 9)

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

2: (2 5 8)

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

3: (4 13 6)

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

4: (7 19 11)

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