1: (0 6 7)

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

2: (7 11 17)

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

3: (10 21 13)

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

4: (6 17 8)

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