1: (0 1 15)

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

2: (3 15 21)

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

3: (2 19 4)

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

4: (6 20 18)

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