1: (0 1 13)

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

2: (8 13 21)

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

3: (7 14 10)

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

4: (6 20 13)

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