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

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

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

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

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