C31232233133313221211113313331333132313331322121111121333131111331313221   >>    C3123223313331322121111331333133313231333132212111112133313111133131322   <<    C31232233133313221211113313331333132313331322121111121333131111331313223   >>      C31232233133313221211113313331333132313331322121111121333131111331313222   >>