1: (0 1 5)

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

2: (5 17 20)

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

3: (7 21 19)

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

4: (4 10 6)

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