1: (1 5 10)

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

2: (4 11 6)

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

3: (3 13 10)

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

4: (8 14 12)

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