1: (0 10 12)

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

2: (9 13 11)

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

3: (8 19 12)

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

4: (4 20 18)

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