C312322331333132212111133133313331333133312121111133313331312331123311   >>    C31232233133313221211113313331333133313331212111113331333131233112331   <<    C312322331333132212111133133313331333133312121111133313331312331123313   >>      C312322331333132212111133133313331333133312121111133313331312331123312   >>