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