1: (3 16 20)

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

2: (0 19 6)

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

3: (2 18 4)

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

4: (3 17 5)

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