C3123223313331322121111331333133313231333132212111112113313221211211321   >>    C312322331333132212111133133313331323133313221211111211331322121121132   <<    C3123223313331322121111331333133313231333132212111112113313221211211323   >>      C3123223313331322121111331333133313231333132212111112113313221211211322   >>