1: (2 17 20)

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

2: (0 18 4)

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

3: (2 17 20)

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

4: (1 6 3)

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