1: (0 4 7)

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

2: (2 9 5)

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

3: (0 4 7)

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

4: (6 17 8)

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