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