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

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

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

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

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