1: (1 6 13)

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

2: (5 14 11)

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

3: (4 15 13)

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

4: (3 6 8)

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