1: (0 7 10)

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

2: (4 12 9)

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

3: (2 13 11)

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

4: (3 7 5)

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