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