1: (2 8 12)

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

2: (0 10 5)

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

3: (2 9 7)

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

4: (4 20 6)

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