1: (0 6 16)

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

2: (5 21 11)

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

3: (6 19 15)

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

4: (3 11 16)

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