1: (5 12 16)

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

2: (4 15 7)

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

3: (5 13 10)

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

4: (6 19 8)

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