1: (0 1 5)

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

2: (3 5 21)

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

3: (2 6 4)

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

4: (1 20 5)

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