C31232233133313221211113313331333132313331333133313331333133313232233312231   >>    C3123223313331322121111331333133313231333133313331333133313331323223331223   <<    C31232233133313221211113313331333132313331333133313331333133313232233312233   >>      C31232233133313221211113313331333132313331333133313331333133313232233312232   >>