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