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