1: (5 15 18)

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

2: (14 20 17)

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

3: (5 15 18)

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

4: (4 19 6)

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