1: (6 11 13)

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

2: (9 16 12)

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

3: (1 13 7)

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

4: (4 10 8)

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