C31232233133313221211113313331333132313331333133313331333133313332233132311   >>    C3123223313331322121111331333133313231333133313331333133313331333223313231   <<    C31232233133313221211113313331333132313331333133313331333133313332233132313   >>      C31232233133313221211113313331333132313331333133313331333133313332233132312   >>