1: (0 3 10)

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

2: (1 20 5)

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

3: (2 6 4)

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

4: (3 19 9)

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