1: (1 3 11)

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

2: (0 8 2)

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

3: (1 3 11)

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

4: (7 12 9)

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