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