1: (0 5 8)

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

2: (4 16 6)

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

3: (0 5 8)

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

4: (3 12 7)

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