1: (0 1 4)

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

2: (4 8 15)

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

3: (3 11 5)

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

4: (10 16 14)

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