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