1: (0 1 4)

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

2: (4 9 15)

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

3: (2 12 8)

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

4: (11 16 14)

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