C1111133313331323223313331333133313331323133313331333112331312111333133311321   >>    C111113331333132322331333133313331333132313331333133311233131211133313331132   <<    C1111133313331323223313331333133313331323133313331333112331312111333133311323   >>      C1111133313331323223313331333133313331323133313331333112331312111333133311322   >>