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