C31232233133313221211113313331333133313332321333131133131121323221   >>    C3123223313331322121111331333133313331333232133313113313112132322   <<    C31232233133313221211113313331333133313332321333131133131121323223   >>      C31232233133313221211113313331333133313332321333131133131121323222   >>