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

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

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

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

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