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