C312322331333132212111133133313331323133313221211331323133313123231121   >>    C31232233133313221211113313331333132313331322121133132313331312323112   <<    C312322331333132212111133133313331323133313221211331323133313123231123   >>      C312322331333132212111133133313331323133313221211331323133313123231122   >>