1: (6 12 15)

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

2: (11 17 13)

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

3: (4 16 7)

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

4: (5 15 10)

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