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

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

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

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

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