1: (4 11 20)

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

2: (1 12 10)

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

3: (0 7 2)

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

4: (8 19 11)

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