1: (0 2 15)

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

2: (1 20 3)

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

3: (7 21 19)

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

4: (6 16 14)

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