1: (4 12 16)

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

2: (11 17 13)

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

3: (10 19 16)

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

4: (3 18 5)

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