C312322331333132212111133133313331323133313221211111333131211113313311232223311   >>    C31232233133313221211113313331333132313331322121111133313121111331331123222331   <<    C312322331333132212111133133313331323133313221211111333131211113313311232223313   >>      C312322331333132212111133133313331323133313221211111333131211113313311232223312   >>