1: (1 4 11)

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

2: (3 20 5)

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

3: (0 17 2)

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

4: (4 19 6)

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