1: (2 9 16)

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

2: (4 17 15)

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

3: (3 10 8)

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

4: (1 16 13)

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