1: (2 9 13)

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

2: (4 17 10)

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

3: (9 14 11)

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

4: (1 6 3)

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