1: (0 3 10)

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

2: (1 21 4)

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

3: (3 20 8)

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

4: (2 21 6)

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