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

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

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

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

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