1: (4 10 16)

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

2: (3 14 5)

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

3: (13 20 15)

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

4: (11 16 17)

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