1: (4 5 8)

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

2: (5 11 14)

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

3: (10 15 12)

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

4: (2 14 8)

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