C31232233133313221211113313331333132313331322121111133312323221   >>    C3123223313331322121111331333133313231333132212111113331232322   <<    C31232233133313221211113313331333132313331322121111133312323223   >>      C31232233133313221211113313331333132313331322121111133312323222   >>