1: (0 3 7)

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

2: (1 21 4)

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

3: (3 8 6)

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

4: (0 11 2)

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