C111123313121111121111331333133313331322132212111111211331313221   >>    C11112331312111112111133133313331333132213221211111121133131322   <<    C111123313121111121111331333133313331322132212111111211331313223   >>      C111123313121111121111331333133313331322132212111111211331313222   >>