1: (0 7 9)

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

2: (9 16 20)

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

3: (14 21 18)

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

4: (8 19 11)

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