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

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

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

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

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