1: (0 2 6)

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

2: (1 21 4)

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

3: (5 8 10)

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

4: (7 12 9)

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