C11111333133313232233133313331333132332322121111331333112331321   >>    C1111133313331323223313331333133313233232212111133133311233132   <<    C11111333133313232233133313331333132332322121111331333112331323   >>      C11111333133313232233133313331333132332322121111331333112331322   >>