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

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

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

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

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