C312322331333132212111133133313331323133311211331333112113113121   >>    C31232233133313221211113313331333132313331121133133311211311312   <<    C312322331333132212111133133313331323133311211331333112113113123   >>      C312322331333132212111133133313331323133311211331333112113113122   >>