1: (6 11 18)

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

2: (5 16 8)

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

3: (7 12 9)

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

4: (4 13 11)

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