1: (0 1 15)

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

2: (13 15 20)

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

3: (11 16 14)

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

4: (1 17 15)

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