1: (5 8 16)

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

2: (4 11 6)

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

3: (7 12 10)

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

4: (5 9 18)

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