C312322331333132212111133133313331323133313221211331333132212113121   >>    C31232233133313221211113313331333132313331322121133133313221211312   <<    C312322331333132212111133133313331323133313221211331333132212113123   >>      C312322331333132212111133133313331323133313221211331333132212113122   >>