1: (0 2 5)

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

2: (4 13 15)

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

3: (11 16 14)

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

4: (6 17 15)

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