C312322331333132212111133133313331323133313221211111133133112111133131323121   >>    C31232233133313221211113313331333132313331322121111113313311211113313132312   <<    C312322331333132212111133133313331323133313221211111133133112111133131323123   >>      C312322331333132212111133133313331323133313221211111133133112111133131323122   >>