1: (5 7 18)

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

2: (1 7 19)

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

3: (4 20 17)

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

4: (0 15 2)

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