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