1: (5 12 16)

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

2: (14 16 20)

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

3: (1 17 7)

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

4: (0 19 3)

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