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