1: (1 4 12)

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

2: (0 5 2)

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

3: (4 20 10)

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

4: (9 18 11)

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