1: (1 5 10)

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

2: (4 18 6)

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

3: (5 12 9)

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

4: (1 7 11)

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