1: (3 12 18)

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

2: (4 19 17)

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

3: (3 14 5)

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

4: (9 16 13)

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