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

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

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

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

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