1: (0 3 13)

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

2: (1 14 12)

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

3: (2 20 4)

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

4: (3 16 5)

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