1: (0 2 5)

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

2: (3 12 15)

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

3: (11 16 13)

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

4: (10 17 15)

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