1: (1 7 12)

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

2: (5 18 11)

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

3: (4 19 6)

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

4: (3 8 12)

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