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