1: (0 6 16)

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

2: (4 19 7)

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

3: (0 6 16)

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

4: (2 20 18)

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