1: (0 5 15)

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

2: (4 20 13)

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

3: (14 21 16)

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

4: (3 9 15)

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