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

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

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

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

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