1: (0 1 12)

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

2: (4 12 21)

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

3: (3 13 5)

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

4: (1 15 12)

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