1: (3 6 20)

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

2: (0 8 4)

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

3: (3 6 20)

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

4: (5 13 7)

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