1: (5 10 13)

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

2: (9 14 11)

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

3: (8 17 13)

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

4: (12 18 16)

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