1: (1 9 11)

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

2: (8 12 10)

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

3: (4 13 11)

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

4: (2 16 6)

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