C31232233133313221211113313331333133313331212111111331322232213232321   >>    C3123223313331322121111331333133313331333121211111133132223221323232   <<    C31232233133313221211113313331333133313331212111111331322232213232323   >>      C31232233133313221211113313331333133313331212111111331322232213232322   >>