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

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

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

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

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