C3123223313331322121111331333133313231333133313331333133313331312211321   >>    C312322331333132212111133133313331323133313331333133313331333131221132   <<    C3123223313331322121111331333133313231333133313331333133313331312211323   >>      C3123223313331322121111331333133313231333133313331333133313331312211322   >>