1: (0 2 16)

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

2: (1 21 3)

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

3: (2 20 5)

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

4: (4 19 12)

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