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