(0 21 2)(1 6 4)(3 16 11 17 15)(5 9 7)(8 12 10)(13 19 14)(18 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 6 12)

(0 21 2)(1 10 8 12 4)(3 16 11 17 15)(5 9 7)(6)(13 19 14)(18 22 20)
2: (3 16 11)

(0 21 2)(1 10 8 12 4)(3 17 15)(5 9 7)(6)(11)(13 19 14)(16)(18 22 20)
3: (1 10 4)

(0 21 2)(1)(3 17 15)(4 8 12)(5 9 7)(6)(10)(11)(13 19 14)(16)(18 22 20)
4: (3 17 15)

(0 21 2)(1)(3)(4 8 12)(5 9 7)(6)(10)(11)(13 19 14)(15)(16)(17)(18 22 20)