1: (0 2 16)

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

2: (1 21 3)

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

3: (2 19 4)

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

4: (15 20 18)

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