1: (6 15 18)

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

2: (8 20 17)

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

3: (0 16 14)

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

4: (9 15 19)

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