C31232233133313221211113313331333132313331322121133132323132321   >>    C3123223313331322121111331333133313231333132212113313232313232   <<    C31232233133313221211113313331333132313331322121133132323132323   >>      C31232233133313221211113313331333132313331322121133132323132322   >>