1: (4 10 13)

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

2: (9 15 11)

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

3: (12 17 14)

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

4: (2 13 8)

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