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

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

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

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

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