C312322331333132212111133133313331323133313221211113313132233123311   >>    C31232233133313221211113313331333132313331322121111331313223312331   <<    C312322331333132212111133133313331323133313221211113313132233123313   >>      C312322331333132212111133133313331323133313221211113313132233123312   >>