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