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

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

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

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

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