1: (0 3 15)

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

2: (1 16 12)

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

3: (2 21 4)

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

4: (3 20 5)

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