1: (0 5 16)

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

2: (4 17 6)

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

3: (0 5 16)

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

4: (2 18 15)

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