C312322331333132212111133133313331333133312121111331333233232331   >>    C31232233133313221211113313331333133313331212111133133323323233   <<    C312322331333132212111133133313331333133312121111331333233232333   >>      C312322331333132212111133133313331333133312121111331333233232332   >>