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