C312322331333132212111133133313331323133311211331333131121131121   >>    C31232233133313221211113313331333132313331121133133313112113112   <<    C312322331333132212111133133313331323133311211331333131121131123   >>      C312322331333132212111133133313331323133311211331333131121131122   >>