1: (1 5 8)

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

2: (4 13 6)

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

3: (1 5 8)

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

4: (0 10 7)

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