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

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

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

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

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