1: (1 9 12)

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

2: (7 12 10)

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

3: (6 20 8)

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

4: (0 17 2)

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