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

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

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

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

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