C312322331333132212111133133313331323133313233313331333131111233133313123331   >>    C31232233133313221211113313331333132313331323331333133313111123313331312333   <<    C312322331333132212111133133313331323133313233313331333131111233133313123333   >>      C312322331333132212111133133313331323133313233313331333131111233133313123332   >>