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

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

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

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

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