C312322331333132212111133133313331323133313331333133313331312111133132313123121   >>    C31232233133313221211113313331333132313331333133313331333131211113313231312312   <<    C312322331333132212111133133313331323133313331333133313331312111133132313123123   >>      C312322331333132212111133133313331323133313331333133313331312111133132313123122   >>