1: (4 15 18)

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

2: (2 17 5)

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

3: (14 19 16)

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

4: (3 18 13)

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