1: (0 4 15)

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

2: (2 20 6)

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

3: (4 17 11)

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

4: (13 18 16)

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