1: (0 1 5)

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

2: (3 5 21)

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

3: (2 6 4)

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

4: (1 11 5)

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