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