1: (0 3 7)

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

2: (6 9 17)

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

3: (1 19 16)

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

4: (0 4 2)

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