1: (1 5 12)

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

2: (4 18 6)

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

3: (5 7 11)

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

4: (0 17 2)

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