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

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

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

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

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