1: (1 6 16)

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

2: (2 19 11)

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

3: (14 21 18)

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

4: (1 13 4)

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