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

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

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

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

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