1: (0 1 16)

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

2: (5 16 21)

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

3: (4 18 11)

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

4: (7 17 15)

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