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