1: (0 4 8)

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

2: (4 10 19)

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

3: (2 21 16)

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

4: (7 12 9)

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