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

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

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

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

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