C312322331333132212111133133313331323133313221211111133133321121121   >>    C31232233133313221211113313331333132313331322121111113313332112112   <<    C312322331333132212111133133313331323133313221211111133133321121123   >>      C312322331333132212111133133313331323133313221211111133133321121122   >>