1: (1 6 11)

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

2: (0 8 2)

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

3: (1 6 11)

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

4: (7 12 9)

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