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

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

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

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

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