1: (7 11 20)

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

2: (6 14 8)

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

3: (5 12 10)

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

4: (4 13 11)

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