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

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

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

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

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