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