1: (0 5 13)

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

2: (4 21 6)

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

3: (5 20 11)

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

4: (8 14 12)

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