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