C313212111133131211331333133313331333133311233133313221211111333133313111231   >>    C31321211113313121133133313331333133313331123313331322121111133313331311123   <<    C313212111133131211331333133313331333133311233133313221211111333133313111233   >>      C313212111133131211331333133313331333133311233133313221211111333133313111232   >>