1: (1 5 12)

(0 20 3)(1 8 6 2 14 12 4)(5)(7 10 9)(11 19 17 15 13)(16 21 18)

2: (2 14 6)

(0 20 3)(1 8 6 12 4)(2)(5)(7 10 9)(11 19 17 15 13)(14)(16 21 18)

3: (11 19 13)

(0 20 3)(1 8 6 12 4)(2)(5)(7 10 9)(11)(13 17 15)(14)(16 21 18)(19)

4: (1 8 4)

(0 20 3)(1)(2)(4 6 12)(5)(7 10 9)(8)(11)(13 17 15)(14)(16 21 18)(19)