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

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

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

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

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