1: (0 1 7)

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

2: (1 8 12)

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

3: (6 14 10)

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

4: (11 19 13)

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