1: (1 6 11)

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

2: (0 8 2)

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

3: (1 6 11)

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

4: (5 15 7)

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