1: (3 8 11)

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

2: (7 12 9)

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

3: (1 11 6)

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

4: (2 20 4)

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