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

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

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

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

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