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

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

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

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

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