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

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

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

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

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