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

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

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

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

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