1: (2 8 12)

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

2: (0 11 4)

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

3: (2 9 6)

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

4: (1 20 5)

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