C312322331333132212111133133313331323133313221211111211331322331121   >>    C31232233133313221211113313331333132313331322121111121133132233112   <<    C312322331333132212111133133313331323133313221211111211331322331123   >>      C312322331333132212111133133313331323133313221211111211331322331122   >>