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