C3123223313331322121111331333133313231333132212111112113313331311331323232321   >>    C312322331333132212111133133313331323133313221211111211331333131133132323232   <<    C3123223313331322121111331333133313231333132212111112113313331311331323232323   >>      C3123223313331322121111331333133313231333132212111112113313331311331323232322   >>