1: (1 5 11)

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

2: (0 6 2)

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

3: (5 16 7)

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

4: (10 17 13)

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