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