1: (0 2 12)

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

2: (1 21 3)

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

3: (2 15 5)

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

4: (11 19 13)

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