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

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

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

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

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