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