1: (1 6 16)

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

2: (0 7 4)

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

3: (6 18 8)

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

4: (15 19 17)

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