1: (0 3 11)

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

2: (1 15 8)

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

3: (9 16 13)

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

4: (0 19 2)

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