C31232233133313221211113313331333132313331322121111123121111331322331313232321   >>    C3123223313331322121111331333133313231333132212111112312111133132233131323232   <<    C31232233133313221211113313331333132313331322121111123121111331322331313232323   >>      C31232233133313221211113313331333132313331322121111123121111331322331313232322   >>