C312322331333132212111133133313331323133313221211331333132313311211111121   >>    C31232233133313221211113313331333132313331322121133133313231331121111112   <<    C312322331333132212111133133313331323133313221211331333132313311211111123   >>      C312322331333132212111133133313331323133313221211331333132313311211111122   >>