C312322331333132212111133133313331323133313221211113313133313132233311   >>    C31232233133313221211113313331333132313331322121111331313331313223331   <<    C312322331333132212111133133313331323133313221211113313133313132233313   >>      C312322331333132212111133133313331323133313221211113313133313132233312   >>