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