C312322331333132212111133133313331323133313331333133313331333133313233121333121   >>    C31232233133313221211113313331333132313331333133313331333133313331323312133312   <<    C312322331333132212111133133313331323133313331333133313331333133313233121333123   >>      C312322331333132212111133133313331323133313331333133313331333133313233121333122   >>