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

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

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

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

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