C3123223313331322121111331333133313231333132212111112113313231333121132321   >>    C312322331333132212111133133313331323133313221211111211331323133312113232   <<    C3123223313331322121111331333133313231333132212111112113313231333121132323   >>      C3123223313331322121111331333133313231333132212111112113313231333121132322   >>