1: (5 9 13)

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

2: (13 14 16)

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

3: (4 10 8)

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

4: (9 16 11)

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