1: (0 4 12)

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

2: (3 21 5)

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

3: (4 20 6)

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

4: (5 15 10)

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