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

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

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

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

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