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