1: (4 5 13)

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

2: (5 16 18)

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

3: (14 19 17)

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

4: (3 18 13)

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