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