1: (2 12 20)

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

2: (6 20 19)

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

3: (1 7 3)

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

4: (0 17 4)

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