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

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

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

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

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