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