C31232233133313221211113313331333133313332321333132233131132321   >>    C3123223313331322121111331333133313331333232133313223313113232   <<    C31232233133313221211113313331333133313332321333132233131132323   >>      C31232233133313221211113313331333133313332321333132233131132322   >>