C312322331333132212111133133313331323133313221211113313133212311   >>    C31232233133313221211113313331333132313331322121111331313321231   <<    C312322331333132212111133133313331323133313221211113313133212313   >>      C312322331333132212111133133313331323133313221211113313133212312   >>