C312322331333132212111133133313331323133313221211111231211113323123221   >>    C31232233133313221211113313331333132313331322121111123121111332312322   <<    C312322331333132212111133133313331323133313221211111231211113323123223   >>      C312322331333132212111133133313331323133313221211111231211113323123222   >>