C312322331333132212111133133313331323133313221211331333132322232223131   >>    C31232233133313221211113313331333132313331322121133133313232223222313   <<    C312322331333132212111133133313331323133313221211331333132322232223133   >>      C312322331333132212111133133313331323133313221211331333132322232223132   >>