1: (1 6 15)

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

2: (4 17 7)

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

3: (14 18 16)

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

4: (1 11 5)

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