1: (0 6 10)

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

2: (3 11 9)

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

3: (5 12 7)

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

4: (4 20 10)

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