1: (5 15 18)

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

2: (4 17 6)

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

3: (14 20 16)

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

4: (11 15 19)

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