1: (0 1 4)

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

2: (2 4 15)

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

3: (3 21 6)

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

4: (5 16 13)

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