(0 20 2)(1 5 3)(4 11 10 9 7)(6 19 17 15 13)(8 14 12)(16 21 18)
ALLOWS (11/8)-SEQUENCE
1: (0 8 14)
(0 12 8 20 2)(1 5 3)(4 11 10 9 7)(6 19 17 15 13)(14)(16 21 18)
2: (6 19 13)
(0 12 8 20 2)(1 5 3)(4 11 10 9 7)(6)(13 17 15)(14)(16 21 18)(19)
3: (4 11 7)
(0 12 8 20 2)(1 5 3)(4)(6)(7 10 9)(11)(13 17 15)(14)(16 21 18)(19)
4: (0 12 8)
(0 20 2)(1 5 3)(4)(6)(7 10 9)(8)(11)(12)(13 17 15)(14)(16 21 18)(19)