1: (3 16 20)

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

2: (0 19 6)

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

3: (2 18 4)

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

4: (3 17 5)

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