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