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

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

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

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

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