C312322331333132212111133133313331333133312121111121111133313231133121   >>    C31232233133313221211113313331333133313331212111112111113331323113312   <<    C312322331333132212111133133313331333133312121111121111133313231133123   >>      C312322331333132212111133133313331333133312121111121111133313231133122   >>