1: (6 17 20)

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

2: (1 4 20)

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

3: (0 7 2)

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

4: (3 12 5)

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