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

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

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

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

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