1: (1 4 10)

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

2: (0 8 2)

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

3: (1 4 10)

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

4: (7 12 9)

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